CN1329418C - Butene copolymer, resin composition comprising the copolymer and moldings of the composition, and solid titanium catalyst for producing the copolymer and method for preparing the catalyst - Google Patents

Butene copolymer, resin composition comprising the copolymer and moldings of the composition, and solid titanium catalyst for producing the copolymer and method for preparing the catalyst Download PDF

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CN1329418C
CN1329418C CNB018026893A CN01802689A CN1329418C CN 1329418 C CN1329418 C CN 1329418C CN B018026893 A CNB018026893 A CN B018026893A CN 01802689 A CN01802689 A CN 01802689A CN 1329418 C CN1329418 C CN 1329418C
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butylene
copolymer
compound
olefin
alpha
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CN1388809A (en
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得居伸
筒井俊之
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Mitsui Chemicals Inc
Mitsui Chemical Industry Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/04—Monomers containing three or four carbon atoms
    • C08F210/08—Butenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/04—Monomers containing three or four carbon atoms
    • C08F10/08—Butenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/645—Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/647—Catalysts containing a specific non-metal or metal-free compound
    • C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
    • C08F4/6494—Catalysts containing a specific non-metal or metal-free compound organic containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
    • C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/08—Butenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst

Abstract

A butene copolymer, characterized in that it has a specific modulus of elasticity in tension, molecular weight distribution, limiting viscosity and melting point, and comprises a copolymer unit derived from 1-butene and a copolymer unit derived from an a-olefin having 2 to 10 carbon atoms (except 1-butene); a resin composition comprising the butene copolymer and moldings thereof; and a method for preparing a solid titanium catalyst for producing a polymer from a alpha -olefin having 4 or more carbon atoms including the above butene polymer, which comprises magnesium, titanium, a halogen, a specific ether compound, a hydrocarbon and a solubilizing agent, and a method for producing an olefin polymer using the catalyst. Moldings from the above copolymer or resin composition are excellent in thermal resistance, low temperature characteristics and handleability, and further exhibits excellent resistance to creep at a high temperature. Accordingly, the copolymer and the resin composition can be advantageously utilized as a resin for molding a pipe.

Description

Butylene copolymer, its resin combination and by its mo(u)lded item of making
FIELD OF THE INVENTION
The present invention relates to a kind of butylene copolymer, comprise the resin combination of butylene copolymer, by the mo(u)lded item that butylene copolymer or its resin combination are made, the method that is used to prepare the solid titanium catalyst of butylene copolymer and prepares butylene copolymer.More particularly, the present invention relates to a kind of like this butylene copolymer, it has good thermotolerance, thermal creep performance and disposes easiness behind molding, and it can be used for making the mo(u)lded item with appropriate rigidity and good low-temperature performance, the invention still further relates to a kind of resin combination that comprises butylene copolymer, by the mo(u)lded item that butylene copolymer or its resin combination are made, the method that is used to prepare the solid titanium catalyst of butylene copolymer and prepares butylene copolymer.
The background of invention
Galvanized steel pipe, copper pipe, lead pipe and other metal tube are used as the pipe element of water supply or heat supply water usually.Yet steel pipe has it and can get rusty and the shortcoming that causes occurring red water or Heisui River.The shortcoming that electrolytic corrosion makes pipe produce pin hole and then blue water occur can take place thereby copper pipe has it.And the pipe element of this water supply or heat supply water has the shortcoming that is difficult to reduce its weight and is difficult for improving pipe diameter.Therefore, the pipeline material that needs a kind of novelty.In some field, used the synthetic resins tubing that constitutes by polyvinyl chloride, polyethylene, crosslinked polyethylene, poly-1-butylene etc., the pin hole that these tubing can not get rusty and cause with electrolytic corrosion.
Yet polyvinyl chloride lacks the snappiness of resin and can produce health and problem of environment.Polyethylene can produce such problem, and promptly its resistance to pressure and long-term durability are all very poor.
On internal pressure creep weather resistance, high/low warm nature energy and the wear resistance/wearability of poly-1-butylene when compressive strength, high temperature (40-120 ℃) all is good, and also have good snappiness, so it is a kind of resin that is applicable to the pipe of water supply/heat supply water.Yet poly-1-butylene is slightly not satisfied place on the over-all properties of snappiness and stable on heating over-all properties and rigidity and low-temperature performance.In addition, when poly-1-butylene was carried out melt molding, mo(u)lded item was characterised in that its performance is that the time post moulding spare that slowly changes and need several days or tens days just can show the performance that it is stable, has so just produced the problem of disposing difficulty.
Therefore, need the resin of a kind of superior performance of exploitation, it is keeping appropriate rigidity and is flexiblely having good over-all propertieies such as rigidity simultaneously, and the disposal easiness of mo(u)lded item is also made improvements.
The contriver has proposed a kind of multipolymer of butylene-propylene in existing application (the open communique No.9 (1997)-302038 of Japanese Patent), its propylene content, crystalline melting point, tensile modulus, limiting viscosity and n-decane solubles content are controlled in the specific scope, the moulded product that perhaps comprises the resin combination of butylene-propylene copolymer has the easiness of good resistance to pressure, thermotolerance, rigidity, low-temperature performance, mo(u)lded item disposal and can make disposes the dust adhesion that performance reduces, so butylene-propylene copolymer can be the substitute of poly-1-butylene.
Although can see various improvement really, the multipolymer of butylene-propylene has such problem, and promptly its thermotolerance, rigidity and thermal creep performance still can not be satisfactory.
Except above-mentioned, the known catalyzer that is carried on the titanium compound on the activated state magnesium halide that comprises is used as the catalyzer for preparing olefin polymer such as Alathon, alpha-olefin homo or ethylene/alpha-olefin copolymer.For example, it is known comprising the solid titanium catalyst component be made up of magnesium, titanium, halogen and electron donor(ED) and the catalyzer of Organometal compound catalyst component.
For the solid titanium catalyst component that comprises magnesium, titanium, halogen and electron donor(ED) various suggestions were proposed once.The also known highly stereoregular polymkeric substance that can use solid titanium catalyst component high productivity preparation to contain the alpha-olefin of 3 or more a plurality of carbon atoms.
For the preparation of this solid titanium catalyst component, for example known have a kind of like this method, and the hydrocarbon solution and the liquid titanium compound that wherein will contain halogen-magnesium compound are in contact with one another, thereby form solid product.In addition, also known have a kind of like this method, wherein in the presence of at least a electron donor(ED) from comprising the hydrocarbon formulations prepared from solutions solid product of halogenated magnesium compound and titanium compound, described electron donor(ED) is selected from poly carboxylic acid, monocarboxylate, polycarboxylate, polyol ester, acid anhydrides, ketone, lipid acid ether, fatty acid carbons acid esters, contain the alcohol of alkoxyl group, contain aryloxy alcohol, contain the silicoorganic compound of Si-O-C key and contain the organo phosphorous compounds of P-O-C key.
Especially, known to carboxylic acid or derivatives thereof (Tetra hydro Phthalic anhydride etc. for example; Abbreviating " carboxylic acid derivative " below as) solid titanium catalyst that makes as electron donor(ED) exists when carrying out polymerization down, can obtain even and low alpha-olefin (being total to) polymkeric substance of fine powder content of particle diameter.
In addition, also once proposed a kind of in the presence of solid titanium catalyst the method for prepared sizes narrow distribution, fine powder content is less and tap density is bigger alpha-olefinic polymer, described solid titanium catalyst comprises the magnesium, titanium, halogen of specific composition, contains two ehter bonds and have compound (below abbreviate " polyether " as), hydrocarbon and the electron donor(ED) except polyether (the open communique No.6 (1994)-336503 of Japanese Patent) of a plurality of atoms between two ehter bonds at least.
Really under the situation of using this solid titanium catalyst, can obtain to have the very propene polymer of premium properties.Yet, the contriver finds that the 1-butylene polymerization meeting of carrying out produces such problem in the presence of solid titanium catalyst, be that 1-butylene is isomerizated into 2-butylene, thereby cause polymerization activity to descend, carboxylic acid derivative has suppressed function of stabilizer in the alpha-olefinic polymer in addition, thereby makes the longterm strength can not be satisfactory.
The description of invention
Therefore, first purpose of the present invention provides a kind of butylene copolymer (A) that can improve rigidity, low-temperature performance and the thermal creep performance of mo(u)lded item, and a kind of resin combination that comprises butylene copolymer (A) is provided.
Second purpose of the present invention provides the moulded product of a kind of butylene copolymer (A) and comprises the moulded product of the resin combination of butylene copolymer (A), and these moulded products have good rigidity, low-temperature performance and thermal creep performance.
The 3rd purpose of the present invention provides a kind of polymkeric substance of the alpha-olefin that can preparation contains 4 or more a plurality of carbon atoms or the solid titanium catalyst of multipolymer, described polymkeric substance or multipolymer are characterised in that particle diameter is even, fine powder content is less, tap density is high and be substantially free of any carboxylic acid, and the polymkeric substance of preparation alpha-olefin or the method for multipolymer are provided.
Therefore, by first aspect of the present invention, a kind of butylene copolymer (A) is provided, it comprises the copolymer unit (b) of the alpha-olefin (condition is not comprise 1-butylene) that copolymer unit (a) that 99.9-80mol% derives from 1-butylene and 0.1-20mol% get a self-contained 2-10 carbon atom, and this butylene copolymer (A) has following character:
(1a) tensile modulus E (in the time of 23 ℃ measure) be 345MPa or bigger and/or
(1b) tensile modulus E (in the time of 95 ℃ measure) be 133MPa or bigger and
(2) weight-average molecular weight (Mw) is 2-30 with the ratio (Mw/Mn) of number-average molecular weight (Mn),
(3) limiting viscosity [η] (in the time of 135 ℃, in the naphthalane solvent, measuring) for 1-6dl/g and
(4) fusing point Tm (measuring with differential scanning calorimeter) is 150 ℃ or lower.
By second aspect of the present invention, be provided at the butylene copolymer (A) described in first aspect of the present invention, wherein tensile modulus E (measuring in the time of 23 ℃) satisfies following relation:
E (MPa)＞370-6.67 * (content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom)
The content that wherein contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom is to be the molecular fraction of benchmark in butylene copolymer (A).
By the 3rd aspect of the present invention, be provided at the butylene copolymer (A) described in the present invention first and second aspect, its 1/2 crystalline transformation time (being measured by the X-ray diffraction method) is 40 hours or still less.
By the 4th aspect of the present invention, be provided at the present invention first to the butylene copolymer (A) described in any one aspect of the 3rd aspect, it has following character:
By 13The B value that C-NMR measures is 0.92-1.1, and this B value is calculated with following formula:
B value=P OB/ (2P OP B)
P wherein OBRepresent the number of 1-butene-alpha-olefin chain and the ratio of the sum of chain, P BRepresent the molar fraction of butene component, and P ORepresent the alpha-olefin component molar fraction and
By 13The isotaxy five unit number of componentss that C-NMR measures are 91% or bigger.
By the 5th aspect of the present invention, be provided at the present invention first to the butylene copolymer (A) described in any one aspect of the 4th aspect, wherein weight-average molecular weight (Mw) is 2-7.9 with the ratio (Mw/Mn) of number-average molecular weight (Mn).
By the 6th aspect of the present invention, be provided at the present invention first to the butylene copolymer (A) described in any one aspect of the 5th aspect, wherein the copolymer unit (b) of alpha-olefin (condition is not comprise 1-butylene) of a self-contained 2-10 carbon atom is a propylene units.
By the 7th aspect of the present invention, be provided at the present invention first to the butylene copolymer (A) described in any one aspect of the 6th aspect, it only demonstrates an endotherm(ic)peak (fusing point Tm) in the process of measuring with differential scanning calorimeter.
By the 8th aspect of the present invention, be provided at the present invention first to the butylene copolymer (A) described in any one aspect of the 7th aspect, it is to use a kind of catalyst system that comprises following each component to make:
Solid titanium catalyst component (c), it comprises the compound that contains two ehter bonds at least that titanium, magnesium, halogen and following formula are represented:
Figure C0180268900101
Each R wherein 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group can form the ring except phenyl ring, and the atom except carbon can be included in the main chain of the compound that contains two ehter bonds at least, and n satisfies the integer that concerns 2≤n≤10; With
The Organometal compound catalyst component (d) that contains periodictable I to III family metal.
By the 9th aspect of the present invention, a kind of butylene copolymer resin combination that comprises butylene copolymer (A) is provided, described butylene copolymer (A) comprises the copolymer unit (b) of the alpha-olefin (condition is not comprise 1-butylene) that copolymer unit (a) that 99.9-80mol% derives from 1-butylene and 0.1-20mol% get a self-contained 2-10 carbon atom, and this butylene copolymer resin combination has following character:
(1a) tensile modulus E (in the time of 23 ℃ measure) be 360MPa or bigger and/or
(1b) tensile modulus E (in the time of 95 ℃ measure) be 138MPa or bigger and
(2) weight-average molecular weight (Mw) is 2-30 with the ratio (Mw/Mn) of number-average molecular weight (Mn),
(3) limiting viscosity [η] (in the time of 135 ℃, in the naphthalane solvent, measuring) for 1-6dl/g and
(4) fusing point Tm (measuring with differential scanning calorimeter) is 110-150 ℃.
By the of the present invention ten aspect, be provided at the butylene copolymer resin combination described in the 9th aspect of the present invention, wherein tensile modulus E (measuring in the time of 23 ℃) satisfies following relation:
E (MPa)＞400-6.67 * (content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom)
The content that wherein contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom is that the total amount in the butylene copolymer resin combination is the molecular fraction of benchmark.
By the 11 aspect of the present invention, be provided at the butylene copolymer resin combination described in the 9th of the present invention or the tenth aspect, its 1/2 crystalline transformation time (being measured by the X-ray diffraction method) is 40 hours or still less.
By the 12 aspect of the present invention, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 11 aspect, it also comprises nucleator.
By the 13 aspect of the present invention, be provided at the butylene copolymer resin combination described in the 12 aspect of the present invention, wherein nucleator is an amide compound.
By the 14 aspect of the present invention, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 13 aspect, it has following character:
By 13The B value that C-NMR measures is 0.90-1.08, and this B value is calculated with following formula:
B value=P OB/ (2P OP B)
P wherein OBRepresent the number of 1-butene-alpha-olefin chain and the ratio of the sum of chain, P BRepresent the molar fraction of butene component, and P ORepresent the alpha-olefin component molar fraction and
By 13The isotaxy five unit number of componentss that C-NMR measures are 91.5% or bigger.
By the 15 aspect of the present invention, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 14 aspect, wherein weight-average molecular weight (Mw) is 2-7.9 with the ratio (Mw/Mn) of number-average molecular weight (Mn).
By the 16 aspect of the present invention, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 15 aspect, wherein constitute butylene copolymer (A) the copolymer unit (b) of alpha-olefin (condition is not comprise 1-butylene) of a self-contained 2-10 carbon atom is a propylene units.
By the 17 aspect of the present invention, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 16 aspect, it also comprises poly-1-butylene (B).
By the 18 aspect of the present invention, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 17 aspect, it comprises the butylene copolymer (A) of 40-90 weight % and the poly-1-butylene (B) of 60-10 weight %.
By nineteen of the present invention aspect, be provided at the 9th of the present invention to the butylene copolymer resin combination described in any one aspect of the 18 aspect, it comprises butylene copolymer (A), or butylene copolymer (A) and poly-1-butylene (B), these butylene copolymers (A) and poly-1-butylene (B) are to use a kind of catalyst system that comprises following each component to make:
Solid titanium catalyst component (c), it comprises the compound that contains two ehter bonds at least that titanium, magnesium, halogen and following formula are represented:
Figure C0180268900121
Each R wherein 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group can form the ring except phenyl ring, and the atom except carbon can be included in the main chain of the compound that contains two ehter bonds at least, and n satisfies the integer that concerns 2≤n≤10; With
The Organometal compound catalyst component (d) that contains periodictable I to III family metal.
By the 20 aspect of the present invention, a kind of mo(u)lded item is provided, it be included in the present invention first to the butylene copolymer (A) described in any one aspect of the 8th aspect or the 9th of the present invention to the butylene copolymer resin combination described in any one aspect aspect the nineteen.
By the 21 aspect of the present invention, be provided at the mo(u)lded item described in the 20 aspect of the present invention, it is the shape of pipe.
By the 22 aspect of the present invention, be provided at the mo(u)lded item described in the 21 aspect of the present invention, its rupture time in the hydrostatic test of pipe (measuring during for 6MPa at hoop stress during at 95 ℃) is 20 * 10 3Hour or longer.
By the 23 aspect of the present invention, be provided at the mo(u)lded item described in the 20 aspect of the present invention, it is the shape of tube stub.
By the 24 aspect of the present invention, a kind of solid titanium catalyst that polymerization contains the alpha-olefin of 4 or more a plurality of carbon atoms that is used for is provided, it comprises:
The magnesium (a ') of 5-35 weight %,
0.3-10 the titanium of weight % (b '),
The halogen (c ') of 30-75 weight %,
0.5-30 weight % contains two ehter bonds at least and insert the compound (d ') of a plurality of atoms between two ehter bonds,
0.05-20 the hydrocarbon of weight % (e ') and
0.05-7 the solubilizing agent of weight % (f ').
By the 25 aspect of the present invention, a kind of solid titanium catalyst that polymerization contains the alpha-olefin of 4 or more a plurality of carbon atoms that is used for is provided, it makes through following method, be about to halogenous magnesium compound (α), can dissolve the solubilizing agent (β) of halogenous magnesium compound (α) and contain two ehter bonds at least and in solvent (γ), be in contact with one another at the first kind of compound (δ) that inserts a plurality of atoms between two ehter bonds, obtain solution (II), liquid titanium compound (ε) is contacted with solution (II).
By the 26 aspect of the present invention, be provided at the solid titanium catalyst that polymerization contains the alpha-olefin of 4 or more a plurality of carbon atoms that is used for described in the 24 of the present invention or the 25 aspect, it is substantially free of any carboxylic acid derivative.
The used carboxylic acid derivative of the present invention for example can be carboxylicesters or carboxylic acid anhydride." be substantially free of any carboxylic acid derivative " and be meant at this used term and be not more than 5 weight % at the above-mentioned content that is used for the solid titanium catalyst carboxylic acid derivative of alpha-olefine polymerizing.The content of carboxylic acid derivative is preferably 1 weight % or littler, is well 500ppm or littler again, and good especially is 100ppm or littler.
By the 27 aspect of the present invention, the polymkeric substance of the alpha-olefin that a kind of preparation contains 4 or more a plurality of carbon atoms or the method for multipolymer are provided, it is included in solid titanium catalyst (A ') and comprises the organometallic compound (B ') of the metal that is selected from periodictable I to III family metal and randomly under the existence of electron donor(ED) (C '), polymerization or copolymerization contain the alpha-olefin of 4 or more a plurality of carbon atoms
This solid titanium catalyst (A ') comprises:
The magnesium (a ') of 5-35 weight %,
0.3-10 the titanium of weight % (b '),
The halogen (c ') of 30-75 weight %,
0.5-30 weight % contains two ehter bonds at least and insert the compound (d ') of a plurality of atoms between two ehter bonds,
0.05-20 the hydrocarbon of weight % (e ') and
0.05-7 the solubilizing agent of weight % (f ').
By the 28 aspect of the present invention, the polymkeric substance of the alpha-olefin that a kind of preparation contains 4 or more a plurality of carbon atoms or the method for multipolymer are provided, it is included in solid titanium catalyst (A ') and comprises the organometallic compound (B ') of the metal that is selected from periodictable I to III family metal and randomly under the existence of electron donor(ED) (C '), polymerization or copolymerization contain the alpha-olefin of 4 or more a plurality of carbon atoms
This solid titanium catalyst (A ') makes through following method, be about to halogenous magnesium compound (α), can dissolve the solubilizing agent (β) of halogenous magnesium compound (α) and contain two ehter bonds at least and in solvent (γ), be in contact with one another at the first kind of compound (δ) that inserts a plurality of atoms between two ehter bonds, obtain solution (II), liquid titanium compound (ε) is contacted with solution (II).
By the second nineteen aspect of the present invention, the polymkeric substance of the alpha-olefin that a kind of system respectively contains 4 or more a plurality of carbon atoms or the method for multipolymer are provided, it is included in the solid titanium catalyst that is substantially free of carboxylic acid derivative (A ') described in the 27 of the present invention or the 28 aspect and comprises the organometallic compound (B ') of the metal that is selected from periodictable I to III family metal and randomly under the existence of electron donor(ED) (C '), and polymerization or copolymerization contain the alpha-olefin of 4 or more a plurality of carbon atoms.
By the 30 aspect of the present invention, be provided at the 27 of the present invention and contain the polymkeric substance of alpha-olefin of 4 or more a plurality of carbon atoms or the method for multipolymer to the preparation described in any one aspect of the second nineteen aspect, wherein 1-butylene or 1-butylene and the another kind of alpha-olefin that contains 4 or more a plurality of carbon atoms are carried out polymerization or copolymerization.
By a hentriaconta-of the present invention aspect, a kind of polymkeric substance or multipolymer that contains the alpha-olefin of 4 or more a plurality of carbon atoms is provided, its alpha-olefin content is 50mol% or bigger, and it is by the 27 of the present invention carried out polymerization or copolymerization obtains to the alpha-olefin that contains 4 or more a plurality of carbon atoms described in any one aspect of the 30 aspect.
The better embodiment of invention
To describe butylene copolymer of the present invention below in detail, comprise its resin combination, by its mo(u)lded item of making, the method that is used to prepare the solid titanium catalyst of butylene copolymer and prepares butylene copolymer.
(i) butylene copolymer
Butylene copolymer of the present invention (A) is a kind of 1-butylene and the multipolymer that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom.1-butylene is 99.9/0.1-80/20 with the mole constituent ratio that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom, is preferably 99/1-90/10, is well 99/1-92/8 again.Butylene copolymer (A) is good especially to be the multipolymer of a kind of 1-butylene and propylene.
Butylene copolymer of the present invention (A) can be a 1-butylene and the mixture of the multiple multipolymer of the alpha-olefin that contains 2-10 carbon atom with different alpha-olefin content (condition is not comprise 1-butylene).For example, butylene copolymer (A) can be the mixture of two kinds of multipolymers of 1-butylene and the alpha-olefin (condition is not comprise 1-butylene) that contains 2-10 carbon atom, the mole constituent ratio of 1-butylene/alpha-olefin is 99.9/0.1-80/20 in a kind of multipolymer, and the mole constituent ratio of 1-butylene/alpha-olefin is 80/20-99.9/0.1 in the another kind of multipolymer.And butylene copolymer (A) can be also to comprise terpolymer-tetrapolymer that a spot of performance to butylene copolymer (A) does not have the third alpha-olefin of disadvantageous effect.For example, the terpolymer-tetrapolymer that can form by the 1-butylene/propylene copolymer that contains a spot of 4-methyl-1-pentene, ethene, hexene, amylene, heptene or octene of butylene copolymer (A).
The tensile modulus E that butylene copolymer of the present invention (A) is measured in the time of 23 ℃ is 345MPa or bigger, is preferably 345-480MPa, is well 380-450MPa again.
In addition, the tensile modulus E that butylene copolymer of the present invention (A) is measured in the time of 95 ℃ is 133MPa or bigger, is preferably 135-245MPa.
Butylene copolymer of the present invention (A) must demonstrate any one or two kinds of in these tensile moduluses.
The present invention comprises the tensile modulus E that the resin combination of butylene copolymer (A) measures in the time of 23 ℃ be 360MPa or bigger, is preferably 380-550MPa, is well 400-550MPa again.
In addition, the present invention comprises the tensile modulus E that the resin combination of butylene copolymer (A) measures in the time of 95 ℃ be 138MPa or bigger, is preferably 150-245MPa.
The resin combination that the present invention comprises butylene copolymer (A) must demonstrate any one or two kinds of in these tensile moduluses.
The tensile modulus E of butylene copolymer of the present invention (A) (measuring in the time of 23 ℃) better satisfies following relation:
E (MPa)＞370-6.67 * (content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom) is well again
E (MPa)＞390-6.67 * (content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom).
In these formulas, the content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom is to be the molecular fraction of benchmark in butylene copolymer (A).
The tensile modulus E (measuring in the time of 23 ℃) that the present invention comprises the resin combination of butylene copolymer (A) better satisfies following relation:
E (MPa)＞400-6.67 * (content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom) is well again
E (MPa)＞420-6.67 * (content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom).
In these formulas, the content that contains the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom is that the total amount in resin combination is the molecular fraction of benchmark.
These inequality can get by the data of marking and drawing embodiment and Comparative Examples on figure, and wherein the axis of abscissa representative contains the content of the alpha-olefin (condition is not comprise 1-butylene) of 2-10 carbon atom, and length axis is represented tensile modulus E.
When butylene copolymer (A) or the tensile modulus E of resin combination that comprises butylene copolymer (A) are in above-mentioned scope, the pipe that is made by their moldings has suitable like this hardness, so that be to prevent that the upholder that the distortion due to itself weight needs can be not too much when laying pipe.In addition, when tensile modulus E satisfies the inequality of relation of content of above-mentioned and the alpha-olefin (condition is not comprise 1-butylene) that contains 2-10 carbon atom, for example make the snappiness of pipe when laying and lay between the intensity of back pipe and coordinate mutually, thereby guarantee the practicality height of pipe.
About butylene copolymer of the present invention (A), weight-average molecular weight (Mw) is 2-30 with the ratio (Mw/Mn) of number-average molecular weight (Mn), is preferably 2-20, is well 2-7.9 again, fortunately is 2-6, and the best is 2-5.When the mouldability particularly important, the relatively good of Mw/Mn is 3-30, and good especially is 3-20, and more preferably 3-7.9 is 3-6 fortunately, is preferably 3-5.About comprising the resin combination of butylene copolymer (A), the ratio of Mw/Mn is 2-30, is preferably 2-20, is well 2-7.9 again, fortunately is 2-6, and the best is 2-5.When the mouldability particularly important, the relatively good of Mw/Mn is 3-30, and good especially is 3-20, and more preferably 3-7.9 is 3-6 fortunately, is preferably 3-5.
When the ratio of Mw/Mn was in these scopes, the tubing that is made by their moldings had good processing characteristics, and especially tubing is extrudability.
About butylene copolymer of the present invention (A) or comprise the resin combination of butylene copolymer (A), the limiting viscosity of measuring in naphthalane in the time of 135 ℃ [η] is 1-6dl/g, is preferably 2-4dl/g.When limiting viscosity [η] is in these scopes, the tubing that makes by their moldings have gratifying intensity and good tubing extrudability.
The crystalline melting point Tm that measures butylene copolymer of the present invention (A) and comprise the resin combination of butylene copolymer (A) with differential scanning calorimeter be respectively 150 ℃ or lower with 110-150 ℃.When crystalline melting point Tm is in these scopes, can realize good processibility and stable on heating over-all properties by the moulded product of its tubing that makes.At this, fusing point Tm is meant the fusing point Tm that measures by following mode 1
Specifically, butylene copolymer (A) or the resin combination that comprises butylene copolymer (A) are carried out compressing tablet, its way be in the time of 200 ℃ with their fusions compression, keep compression 5 minutes, carry out cooled compressed, the speed of cooling with about 10 ℃/min is chilled to room temperature with it simultaneously.Still at room temperature allow the sheet of gained leave standstill for 1 week, put it on the differential scanning calorimeter.Measurement is designated as Tm with the speed of the 10 ℃/min melting peak temperature that the I-N-type waferN demonstrates when 20 ℃ are heated to 200 ℃ with it 1Owing to live through Tm 1The sample of measuring demonstrates different peaks when further measuring in an identical manner, so need measure fusing point Tm fully 1The time prepare new sample.For example, measuring fusing point Tm 1After, when sample was left standstill 10 minutes again, be cooled to 20 ℃ from 200 ℃, the fusing point Tm that it was left standstill 5 minutes again and occur when being heated to 200 ℃ with the speed of 10 ℃/min with the speed of 10 ℃/min 2Be different from fusing point Tm 1, and the melting peak of the II-N-type waferN that demonstrates is positioned at and fusing point Tm 1Low temperature one side of comparing.
About butylene copolymer of the present invention (A) or comprise the resin combination of butylene copolymer (A), the endotherm(ic)peak (fusing point Tm) of measuring butylene copolymer (A) or resin combination with differential scanning calorimeter better is unimodal basically.
Be meant that in this statement " endotherm(ic)peak is unimodal basically " area of heat absorption main peak and the ratio of the summation of endotherm(ic)peak area around fusing point are 80% or bigger.This ratio of heat absorption main peak area is preferably 90% or bigger, is well 95% or bigger again, and the best is 98% or bigger.
About butylene copolymer of the present invention (A) or comprise the resin combination of butylene copolymer (A), the 1/2 crystalline transformation time (being measured by the X-ray diffraction method) is preferably 40 hours or still less, and good especially is 30 hours or still less.
About butylene copolymer of the present invention (A), with the NMR assay determination be preferably 0.92-1.1 as random copolymerization exponential B value, good especially is 0.93-1.1, by 13The isotaxy five unit number of componentss that C-NMR measures are preferably 91% or bigger, and good especially is 91-100%, and more preferably 92-100% is preferably 93-100%.
Comprise the resin combination of butylene copolymer (A) about the present invention, above-mentioned B value is preferably 0.90-1.08, and good especially is 0.91-1.08, isotaxy five unit number of componentss are preferably 91.5% or bigger, good especially is 91.5-100%, and more preferably 92-100% is preferably 93-100%.
This used term " the B value of composition " be meant that peak area summation that the formula shown in going up by the 42nd page in this specification sheets (the 96th page of English text) is subordinated to each component of composition is calculated and value.
When B value and isotaxy five unit number of componentss were in above-mentioned scope, butylene copolymer (A) or the tensile modulus that comprises the resin combination of butylene copolymer (A) should improve.
Following Z-type catalyst or metallocene catalyst are provided for preparing butylene copolymer of the present invention (A), or the appropriate catalyst of butylene copolymer (A) and poly-1-butylene (B).The former is preferably.For example, use the catalyzer of forming by following component that is used for alpha-olefine polymerizing:
(c) comprise periodictable IVB family metal, halogen and magnesium solid IVB family's metallic catalyst constituents and
(d) comprise the Organometal compound catalyst component of periodictable I to III family metal, and randomly
(e) comprise the silicoorganic compound catalyst component of the deriveding group of cyclopentyl, cyclopentenyl, cyclopentadienyl or these groups.
Periodictable IVB family metal can be titanium, zirconium or hafnium.With titanium is good.Periodictable I to III family metal better is an aluminium.
As preparation catalyst component (c) used IVB family metallic compound, that can address for example has a following formula: compound:
Ti(OR a) gX 4-g
R wherein aRepresentative contains the alkyl of 1-10 carbon atom, and X represents halogen atom, and g satisfies the number that concerns 0≤g≤4.
These titanium compounds can separately or combine use.Before use, can be with diluting titanium compound as hydrocarbon or halohydrocarbon.
The magnesium compound that is used to prepare catalyst component (c) can have or not have reductibility.Although can use separately, magnesium compound can be to use with the form of the coordination compound of following organo-aluminium compound.Magnesium compound can be a liquid or solid.
The reductibility magnesium compound is a kind of magnesium compound that contains magnesium-carbon bond or magnesium-hydrogen bond.
The irreducibility magnesium compound can be a kind of compound that obtains from above-mentioned reductibility magnesium compound or the compound that obtains when preparation catalyst component (c).The irreducibility magnesium compound for example makes through following method, with formula Mg (OR b) hX 2-hCompound (R wherein bRepresentative contains the alkyl of 1-10 carbon atom, and X represent halogen, and h is the satisfied number that concerns 0≤h≤2) or reductibility magnesium compound and polysiloxane compound, halogenous silane compound, halogenous aluminum compound or such as ester or pure compound contact.In the present invention, can use the coordination compound that makes from above-mentioned magnesium compound and another kind of metal or the mixture of mixture or magnesium compound and another kind of metallic compound.In addition, can use the mixture of multiple above-mentioned magnesium compound.
When using the irreducibility magnesium compound, the irreducibility magnesium compound of liquid form can react with liquid titanium compound in the presence of electron donor(ED), thereby is settled out the solid titanium mixture.This method was being described among the open communique No.58 (1983)-830006 as Japanese Patent.
When preparation ingredient of solid catalyst (c), also use electron donor(ED).Electron donor(ED) for example can be ester, ether, acid amides or the acid anhydrides of oxygen containing electron donor(ED) as alcohol, phenol, ketone, aldehyde, carboxylic acid, organic acid or mineral acid, or nitrogenous electron donor(ED) such as ammonia, amine, nitrile or isocyanic ester.
Compound is an ether preferably.Good especially compound is the compound that contains two or more ehter bonds, as following diether:
Figure C0180268900191
Each R wherein 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group can form the ring except phenyl ring jointly, and the atom except carbon can be included in the main chain of the compound that contains two ehter bonds at least, and n satisfies the integer that concerns 2≤n≤10.
The above-mentioned compound that contains two or more ehter bonds for example can be 2-(2-ethylhexyl)-1,3-Propanal dimethyl acetal, 2-sec.-propyl-1,3-Propanal dimethyl acetal, 2-cyclohexyl-1,3-Propanal dimethyl acetal, 2-(2-cyclohexyl ethyl)-1,3-Propanal dimethyl acetal, 2-methyl-2-cyclohexyl-1,3-Propanal dimethyl acetal or 2-isobutyl--2-sec.-propyl-1, the 3-Propanal dimethyl acetal.This compound better is a kind of diether such as 2-sec.-propyl-2-isopentyl-1,3-Propanal dimethyl acetal, 2,2-diisobutyl-1,3-Propanal dimethyl acetal, 2,2-dicyclohexyl-1,3-Propanal dimethyl acetal, 2,2-two (cyclohexyl methyl)-1,3-Propanal dimethyl acetal or 2-isobutyl--2-sec.-propyl-1, the 3-Propanal dimethyl acetal.
When electron donor(ED) is ester, should use the ester of following formula:
R wherein 1The alkyl that contains 1-10 carbon atom that representative does not replace or replaces; Each R 2, R 5And R 6The alkyl that contains 1-10 carbon atom of representing hydrogen or not replacing or replace; Each R 3And R 4The alkyl that contains 1-10 carbon atom of representing hydrogen or not replacing or replace, condition is R 3And R 4Can interconnect.
Be preferably R 3And R 4In at least one representative alkyl of not replacing or replacing.As R 1-R 6The alkyl of the replacement of representative, having of can addressing contains heteroatomic alkyl such as N, O or S, for example contains such as C-O-C, COOR, COOH, OH, SO 3H ,-C-N-C-or NH 2And so on the alkyl of group.The better example of organic acid acetic is a diisobutyl phthalate.
That can address in addition, has a formula R 7COOR 8Monocarboxylate (each R wherein 7And R 8The alkyl that contains 1-10 carbon atom that representative does not replace or replaces, at least one in them is side chain (comprising alicyclic type) or the chain base that contains ring).Also can select carbonic ether.
Although when preparation ingredient of solid catalyst (c), might not use electron donor(ED), can use when preparation ingredient of solid catalyst (c) can be transformed into the compound of electron donor(ED) as electron donor(ED) as raw material.
Above-mentioned magnesium compound (comprising MAGNESIUM METAL), titanium compound and electron donor(ED) are in contact with one another prepare ingredient of solid catalyst of the present invention (c).The currently known methods that can take to prepare the high active titanium catalyst component from magnesium compound, titanium compound and electron donor(ED) is finished this preparation.Can in the presence of another kind of reagent such as silicon, phosphorus or aluminium, above-mentioned each component be in contact with one another.
Become although the consumption of above-mentioned each component that adds when (c) at the preparation ingredient of solid catalyst is looked the preparation method who is taked and can't be stipulated usually, but for example in every mol magnesium compound, the consumption of electron donor(ED) is about 0.01-10mol, be preferably 0.05-5mol, the consumption of titanium compound is about 0.01-500mol simultaneously, is preferably 0.05-300mol.
The ingredient of solid catalyst of Huo Deing (c) comprises magnesium, titanium, halogen and electron donor(ED) like this.
In ingredient of solid catalyst (c), the atomic ratio of halogen/titanium is about 4-200, better is about 5-100.The mol ratio of electron donor(ED)/titanium is about 0.1-10, better is about 0.2-6.The atomic ratio of magnesium/titanium is about 1-100, better is about 2-50.
Ingredient of solid catalyst (c) comprises magnesium halide, and its crystallographic dimension is than being purchased the little of magnesium halide.Its specific surface area is about 50m 2/ g or bigger better is about 60-1000m 2/ g is about 100-800m better 2/ g.Ingredient of solid catalyst (c) is bonded together by above-mentioned each component and constitutes, so the composition of ingredient of solid catalyst (c) does not change basically under hexane wash.
Although can use ingredient of solid catalyst (c) by its former state, before use can with as inorganic or organic compound such as silicon compound, aluminum compound or polyolefine dilute it.
The method for preparing the high active titanium catalyst component is disclosed in the following document, for example the open communique No.50 (1975)-108385 of Japanese Patent, 50 (1975)-126590,51 (1976)-20297,51 (1976)-28189,51 (1976)-64586,51 (1976)-92885,51 (1976)-136625,52 (1977)-87489,52 (1977)-100596,52 (1977)-147688,52 (1977)-104593,53 (1978)-2580,53 (1978)-40093,53 (1978)-40094,53 (1978)-43094,55 (1980)-135102,55 (1980)-135103,55 (1980)-152710,56 (1981)-811,56 (1981)-11908,56 (1981)-18606,58 (1983)-83006,58 (1983)-138705,58 (1983)-138706,58 (1983)-138707,58 (1983)-138708,58 (1983)-138709,58 (1983)-138710,58 (1983)-138715,60 (1985)-23404,61 (1986)-21109,61 (1986)-37802 and 61 (1986)-37803.
The exemplary that comprises the Organometal compound catalyst component (d) of periodictable I to III family metal is the organo-aluminium compound catalyst component, and it is a kind of compound that contains at least one aluminium-carbon bond in its molecule.For example, it is the organo-aluminium compound that following general formula is represented:
R c jAl(OR d) kH mX p (i)
Each R wherein cAnd R dRepresentative contains the alkyl of 1-15 carbon atom, and condition is that they each other can be identical or different; X represents halogen atom; J, k, m and p are respectively the number that satisfies following relation: 0＜j≤3,0≤k＜3,0≤m＜3 and 0≤p＜3, and condition is j+k+m+p=3.Be preferably R cAnd R dIt is respectively the alkyl that contains 1-4 carbon atom.
Also can use the I family metal that following general formula represents and the coordination alkylide of aluminium:
M 1AlR c 4 (ii)
M wherein 1Represent Li, Na or K, R cDefinition as mentioned above.
The organo-aluminium compound of general formula (i) for example can be any compound that following formula is represented:
R c jAl(OR d) k
R wherein cAnd R dDefinition as mentioned above; J and k are respectively the number that satisfies following relation: 1.5≤j≤3 and 0≤k≤1.5, and condition is j+k=3;
R c jAlX p
R wherein cDefinition as mentioned above; X represents halogen atom; J and p are respectively the number that satisfies following relation: 0＜j＜3 and 0＜p＜3, and condition is j+p=3;
R c jAlH m
R wherein cDefinition as mentioned above; H represents hydrogen; J and m are respectively the number that satisfies following relation: 2≤j＜3 and 0＜m≤1, and condition is j+m=3; With
R c jAl(OR d) kX p
R wherein cAnd R dDefinition as mentioned above; X represents halogen atom; J, k and p are respectively the number that satisfies following relation: 0＜j≤3,0≤k＜3 and 0≤p＜3, and condition is j+k+p=3.
Also can use the aluminum alkyls that is bonded together and forms by multiple aluminum compound.
The silicoorganic compound catalyst component (e) that randomly is added in ingredient of solid catalyst (c) and the Organometal compound catalyst component (d) is made up of the silicoorganic compound that comprise the deriveding group of cyclopentyl, cyclopentenyl, cyclopentadienyl or these groups in its structure.Silicoorganic compound for example can be the compounds that following general formula is represented:
R eR f qSi(OR g) 3-q
R wherein eRepresent the deriveding group of cyclopentyl, cyclopentenyl, cyclopentadienyl or these groups; Each R fAnd R gRepresentative contains the alkyl of 1-10 carbon atom, and they can be crosslinked with alkyl etc.; Q satisfies the number that concerns 0＜q≤3.
Each R fAnd R gFor example can be alkyl, cycloalkyl, aryl or aralkyl.Its object lesson comprises methyl, ethyl, sec.-propyl, phenyl, cyclopentyl, cyclopentenyl and cyclopentadienyl.R fAnd R gEach other can be identical or different.Better be to use a kind of like this silicoorganic compound, wherein R eRepresent cyclopentyl, R fRepresent alkyl or cyclopentyl, R gRepresent amyl group, especially methyl or ethyl.
Also silicoorganic compound that can use following general formula to represent:
R f rSi(OR g) 4-r
R wherein fAnd R gDefinition as mentioned above, r is the number that satisfies inequality 0＜r＜4.
Although to R fAnd R gAnd without particular limitation, but they for example can be methyl, ethyl, sec.-propyl, phenyl, cyclopentyl, cyclopentenyl or cyclopentadienyl.R fAnd R gEach other can be identical or different.
Specifically, silicoorganic compound for example can be ethyl triethoxysilane, n-propyl triethoxyl silane, phenyl triethoxysilane, dicyclohexyl dimethoxy silane, dicyclopentyl dimethoxyl silane or cyclopentyl dimethyl methyl TMOS.Should use cyclohexyl methyl dimethoxy silane etc.
In the presence of above-mentioned catalyzer, 1-butylene and alpha-olefin carried out the incompatible preparation of copolymerization butylene copolymer of the present invention (A) and comprise the resin combination of butylene copolymer (A).Following prepolymerization can be carried out before in this copolymerization (main polymerization).
Usually in prepolymerization, with ingredient of solid catalyst (c) with combine use to small part Organometal compound catalyst component (d).Can there be part or all of silicoorganic compound catalyst component (e) this moment therein.
In prepolymerization, the concentration of catalyst system therefor catalyst concentration in the main polymerization system.
In prepolymerization, in titanium atom, the concentration of ingredient of solid catalyst (c) for example is about 0.5-100mmol usually, better is about 1-50mmol in every liter of following unreactive hydrocarbons medium.
The consumption of Organometal compound catalyst component (d) can be to make to make 0.1-500g by every gram ingredient of solid catalyst (c), better the 0.3-300g polymkeric substance.For example, the titanium atom in every mol ingredient of solid catalyst (c), its consumption is about 0.1-100mol usually, better is about 0.5-50mol.
Under the gentleer condition of prepolymerization alpha-olefin and above-mentioned catalyst component be added in the unreactive hydrocarbons medium and carry out.
As the used unreactive hydrocarbons medium of prepolymerization, that can address for example has aliphatic hydrocrbon such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane or kerosene; Clicyclic hydrocarbon such as pentamethylene, hexanaphthene or methylcyclopentane; Aromatic hydrocarbon such as benzene, toluene or dimethylbenzene; Halohydrocarbon such as ethylene chloride or chlorobenzene; Or the mixture of these materials.In these unreactive hydrocarbons media, should use aliphatic hydrocrbon.
The used alpha-olefin of prepolymerization is a kind of 2-10 of containing carbon atom, better contains the alpha-olefin of 3-10 carbon atom, and alpha-olefin used in it and the main polymerization can be identical or different.High crystalline alpha-olefinic polymer obtains through prepolymerization.
In prepolymerization, to temperature of reaction without limits, as long as the prepolymer that forms is not dissolved in the unreactive hydrocarbons medium basically.Temperature of reaction is about-20 to+80 ℃ usually, better is about-20 to+60 ℃, is well 0 to+40 ℃ again.
In prepolymerization, can use molecular weight regulator such as hydrogen.
The consumption of molecular weight regulator is that the limiting viscosity [η] that records in naphthalane when making the polymkeric substance that obtains through prepolymerization at 135 ℃ is about 0.2dl/g or bigger, better is about 0.5-10dl/g.
As mentioned above, prepolymerization is carried out by this way, and promptly every gram titanium catalyst component forms 0.1-500g according to appointment, better about 0.3-300g polymkeric substance.
Prepolymerization can be intermittently or the successive process carry out.
The main polymerization of multipolymer that is used to prepare 1-butylene of the present invention and contains the alpha-olefin (not comprising 1-butylene) of 2-10 carbon atom better is in the presence of the olefin polymerization catalysis that makes from above-mentioned ingredient of solid catalyst (c), Organometal compound catalyst component (d) and silicoorganic compound catalyst component (e), after above-mentioned prepolymerization or do not carry out carrying out under any prepolymerized situation.
Main polymerization can take any method in liquid polymerization such as solution polymerization and suspension polymerization and the gaseous polymerization to carry out.About solvent used in the solution polymerization, although unreactive hydrocarbons solvent is preferably, also can use under polymerizing condition is the alkene of liquid.The mol ratio of alpha-olefin and 1-butylene is 0.001-0.1 in the gas phase of reaction vessel, is preferably 0.002-0.08.
To polymerization temperature and unrestricted, as long as the polymkeric substance that forms is not dissolved in the unreactive hydrocarbons medium on substantially.Polymerization temperature is about-20 to+100 ℃ usually, better is about-20 to+80 ℃, is well 0 to+40 ℃ again.Applied pressure is generally normal atmosphere to 1 * 10MPa, is preferably 2 * 10 -1To 5MPa.
Main polymerization can be intermittently, semicontinuous or successive process is carried out.And main polymerization can the multistep polymerization method be carried out, and wherein polymerizing condition is pressed each step and difference.
In the process of preparation butylene copolymer of the present invention (A), for example in every liter of polymerization volume in titanium atom, the consumption of ingredient of solid catalyst (c) is about 0.005-0.5mmol usually, better is about 0.01-0.5mmol.The consumption of Organometal compound catalyst component (d) for example can be to make contained titanium atom in the ingredient of solid catalyst (c) of every mole of polymerized system usually, the amount of the atoms metal in the Organometal compound catalyst component (d) reaches about 1-2000mol, better is about 5-500mol.In addition, the atoms metal of every mole of Organometal compound catalyst component (d), in Si atom contained in the silicoorganic compound catalyst component (e), the consumption of silicoorganic compound catalyst component (e) is generally 0.001-2mol, better be about 0.001-1mol, be about 0.001-0.5mol better.
(ii) resin combination
Although the present invention comprises normally a kind of composition that comprises butylene copolymer of the present invention (A) and another kind of polymkeric substance of the resin combination of butylene copolymer (A), it better is that a kind of butylene copolymer (A) that comprises separates alpha-olefin homo and/or the multipolymer blended resin combination that polymerization obtains with warp.The polymkeric substance of sneaking in the butylene copolymer of the present invention (A) better is the homopolymer or the multipolymer of the alpha-olefin of a kind of 2-20 of containing carbon atom, is well the homopolymer or the multipolymer of the alpha-olefin of a kind of 4-20 of containing carbon atom again.About ratio of components, better be other mixed with polymers with butylene copolymer of the present invention (A) Yu the 60-10 weight % of 40-90 weight %.Be well other mixed with polymers again with butylene copolymer (A) Yu the 40-10 weight % of 60-90 weight %.
When wanting when resin combination is molded as tubing, blended (being total to) polymkeric substance better is a kind of butylene copolymer that is different from butylene copolymer of the present invention (A), especially poly-1-butylene (B) is more preferably the poly-1-butylene (B) that uses the catalyzer that is applicable to preparation butylene copolymer (A) to make through polymerization.In the gross weight of resin, the ratio of blended poly-1-butylene (B) is 30 weight % or littler, is preferably 30-5 weight %.About the alpha-olefin content of butylene copolymer in the tubing (A), by at propylene content greater than 1mol% but mix under the situation less than 10mol%, can make and extrudabilityly well be improved.
In the present invention, the content of the alpha-olefin (not comprising 1-butylene) that good especially is wherein contains 2-10 carbon atom is the mixture of 1mol% or littler poly-1-butylene (B) greater than the butylene copolymer (A) of 1mol% and the content that wherein contains the alpha-olefin (not comprising 1-butylene) of 2-10 carbon atom
Blended poly-1-butylene (B) better is a kind of its molecular weight is expressed as 1-5dl/g with limiting viscosity [η] a polymkeric substance.When using the composition of butylene/propylene copolymer (A) and poly-1-butylene (B), the molecular weight of butylene/propylene copolymer (A) and poly-1-butylene (B) better satisfies following this relation, i.e. the limiting viscosity [η] of poly-1-butylene (B) BLimiting viscosity [η] with butylene/propylene copolymer (A) BPRatio, [η] B/ [η] BPBe 0.1-1.0, good especially is 0.2-0.9, more preferably 0.3-0.8.
Butylene copolymer of the present invention (A) or the resin combination that comprises butylene copolymer (A) can comprise other polymkeric substance, for example flexible alpha-olefin copolymer, as ethylene atactic copolymer (as the ethylene/propylene olefinic random copolymer) or styrene block copolymer (as SEBS, SBS or SEPS), its amount constitutes disadvantageous effect with the performance that the present invention is not reached and is as the criterion.
And, in butylene copolymer of the present invention (A) or resin combination, can add Synergist S-421 95 such as thermo-stabilizer, weather stablizer, surface slip agent, nucleator, pigment, dyestuff and the lubricant of various common addings.
As above-mentioned nucleator, that can address for example has a polyethylene wax, Poly Propylene Wax, polyethylene, polypropylene, polystyrene, nylon (polymeric amide), polycaprolactone, talcum, titanium oxide, 1,8-naphthalimide (1,8-naphthalimide), phthalimide, alizarin, quinizarin, 1,5-dihydroxyl-9, the 10-anthraquinone, skyrin, the 2-sodium anthraquinone sulfonate, 2-methyl-9,10-anthraquinone (anthroquinone), anthrone, 9-methyl anthracene, anthracene, 9, the 10-dihydroanthracene, 1, the 4-naphthoquinones, 1, the 1-dinaphthalene, stearic acid, calcium stearate, sodium stearate, potassium stearate, zinc oxide, quinhydrones, anthranilic acid, ethylene bis stearamide and glucitol derivative.In addition, that can address has at poly carboxylic acid amide compound, polyamine amide compound and the polyamino acid amide compound described in the open communique No.8 (1996)-48838 of Japanese Patent with at the vinyl cycloalkane polymer described in the Japanese patent gazette No.5 (1993)-58019.
Wherein, the good especially amide compound that is to use.
Although it is also without particular limitation to the method for preparing resin combination of the present invention; but preparation example is carried out as adopting following method; promptly adopt single screw extrusion machine or multiple screw extruder that butylene copolymer (A) and polymkeric substance to be mixed are carried out the method for melting mixing, or adopt banbury mixers successively or method that milling machine carries out melt kneading and granulation or pulverizing.In addition, can address a kind of like this method, wherein the polymerization through separating prepares butylene copolymer (A) and polymkeric substance to be mixed, and under agitation the polymers soln that will obtain like this is blended directly in together.
(iii) mo(u)lded item
The employing use comes molding butylene copolymer of the present invention (A) as the ordinary method of single screw extrusion machine or multiple screw extruder or comprises the resin combination of butylene copolymer (A).Butylene copolymer (A) or resin combination can be made the mo(u)lded item with different shape, described shape for example comprises pipe, tube stub, sheet and case.
About adopt to use as the ordinary method molding butylene copolymer of the present invention (A) of single screw extrusion machine or comprise the pipe that the resin combination of butylene copolymer (A) is made, external diameter is 5-20 with the ratio of thickness, is preferably 6-18.Rupture time in the hydrostatic test of pipe (measuring during for 6MPa at hoop stress during at 95 ℃) is 20 * 10 3Hour or longer.This means that pipe has very high compressive strength.
(iv) solid titanium catalyst (A ')
Solid titanium catalyst of the present invention (A ') is made up of following each component, 5-35 weight %, better 8-30 weight %, good again 10-28 weight %, the preferably magnesium (a ') of 12-25 weight %; 0.3-10 weight %, better 0.5-8 weight %, good again 0.8-6 weight %, the preferably titanium (b ') of 1-5 weight %; 30-75 weight %, better 35-75 weight %, good again 38-72 weight %, the preferably halogen (c ') of 40-70 weight %; 0.5-30 weight %, better 1-27 weight %, good again 3-25 weight %, best 5-23 weight % contain two ehter bonds at least and insert the compound (d ') of a plurality of atoms between two ehter bonds; 0.05-20 weight %, better 0.1-15 weight %, good again 1-12 weight %, the preferably hydrocarbon (e ') of 2-10 weight %; With 0.05-7 weight %, better 0.1-5 weight %, good again 0.15-4 weight %, the preferably solubilizing agent (f ') of 0.2-3 weight %.
When hydrocarbon (e ') content in the solid titanium catalyst (A ') surpassed 20 weight %, granules of catalyst can condense, thereby makes the particle degradation of catalyzer.And the particle performance of gained alpha-olefinic polymer also can variation.On the other hand, when hydrocarbon (e ') content in the solid titanium catalyst (A ') during less than 0.05 weight %, not only the particle performance of catalyzer can variation, and the polymerization activity of alpha-olefin also descends, and then the taxis of gained alpha-olefinic polymer is descended.Also have, the tap density of polymkeric substance descends, and fine powder increases.
Solid titanium catalyst (A ') better is substantially free of carboxylic acid derivative.
Although to the structure of solid titanium catalyst (A ') and also not illustrating of Qi Ge component in conjunction with condition, but in the washing of solid titanium catalyst (A ') being satisfied with a large amount of hexanes, at room temperature after dry 2 hours or longer time under the 0.1-1 torr, adopt methods such as ICP (atomic absorption spectrum), GC to measure and determine each components contents subsequently.
Solid titanium catalyst (A ') can comprise except the component of component (a ') to (f '), for example carrier.This other components contents is 50 weight % or still less, is preferably 40 weight % or still less, is well 30 weight % or still less again, is preferably 20 weight % or still less.
(preparation solid titanium catalyst (A '))
Solid titanium catalyst of the present invention (A ') can make through following method, the solubilizing agent (β) that is about to halogenous magnesium compound (α) and can dissolves halogenous magnesium compound (α) is in contact with one another in solvent (γ), obtain solution (I), at least the first kind of compound (δ) that contains two ehter bonds and insert a plurality of atoms between two ehter bonds is added in the solution (I), obtain solution (II), liquid titanium compound (ε) is contacted with solution (II), obtain solution (III), randomly from solution (III), isolate solid subsequently.Solution (II) can make by halogenous magnesium compound (α), solubilizing agent (β) and first kind of compound (δ) are in contact with one another in solvent (γ).
Solid titanium catalyst of the present invention (A ') also can make through following method, the solubilizing agent (β) that is about to halogenous magnesium compound (α) and can dissolves halogenous magnesium compound (α) is in contact with one another in solvent (γ), obtain solution (I), at least the first kind of compound (δ) that contains two ehter bonds and insert a plurality of atoms between two ehter bonds is added in the solution (I), obtain solution (II), liquid titanium compound (ε) is contacted with solution (II), obtain solution (III), at least the second kind of compound (δ ') that contains two ehter bonds and insert a plurality of atoms between two ehter bonds is added in the solution (III), obtain solution (IV), randomly from solution (IV), isolate solid subsequently.Solution (II) can make by halogenous magnesium compound (α), solubilizing agent (β) and first kind of compound (δ) are in contact with one another in solvent (γ).
The example of alcohol as the method for preparing solid titanium catalyst of the present invention (A ') of solubilizing agent (β) used in explanation now.Even use the solubilizing agent (β) except alcohol, this method does not have any difference basically yet.
Halogenous magnesium compound (α) and alcohol are in contact with one another in hydrocarbon solvent (γ), obtain uniform solution (halogenous magnesium compound solution) (I), wherein halogenous magnesium compound (α) is dissolved in the mixed solvent of pure and mild hydrocarbon solvent (γ).
The halogenous magnesium compound of every mol (α), the consumption of above-mentioned alcohol is 1-40mol, is preferably 1.5-20mol.The halogenous magnesium compound of every mol (α), the consumption of hydrocarbon solvent (γ) is 1-30mol, is preferably 1.5-15mol.
The temperature of carrying out above-mentioned contact is 60-300 ℃, is preferably 100-200 ℃.The time of carrying out above-mentioned contact is 15-300 minute, is preferably 30-120 minute.
Subsequently, the first kind of compound (δ) that contains two ehter bonds at least and insert a plurality of atoms between two ehter bonds is added in the magnesium compound solution (I), obtains uniform solution (magnesium/polyether solution) (II).At least contain two ehter bonds and help to make halogenous magnesium compound (α) solubilising in hydrocarbon solvent (γ) at the first kind of compound (δ) that inserts a plurality of atoms between two ehter bonds.
Contained halogenous magnesium compound (α) in every mol magnesium compound solution (I), the above-mentioned consumption that contains two ehter bonds at least and insert first kind of compound (δ) of a plurality of atoms between two ehter bonds is 0.01-1.0mol, is preferably 0.1-0.5mol.
The temperature of carrying out above-mentioned contact is-20 to+300 ℃, is preferably 20 to 200 ℃.The time of carrying out above-mentioned contact is 5-240 minute, is preferably 10-120 minute.
Then, magnesium/polyether solution (II) and liquid titanium compound (ε) are in contact with one another, the mixture (magnesium/titanium solution) that obtains to comprise halogenous magnesium compound (α) and liquid titanium compound (ε) (III).
Contained magnesium in every grammeatom magnesium/polyether solution (II), the consumption of aforesaid liquid titanium compound (ε) is the 2-100 grammeatom, is preferably the 4-50 grammeatom.
The temperature of carrying out above-mentioned contact is-70 to+200 ℃, is preferably-70 to+50 ℃.The time of carrying out above-mentioned contact is 5-300 minute, is preferably 30-180 minute.
At 20-300 ℃, better heat the magnesium/titanium solution (III) of gained under 50-150 ℃ the temperature, obtain the suspension of solid titanium catalyst (A ').Be 10-360 minute heat-up time, is preferably 30-300 minute.
After filtration or similarly method is carried out solid/liquid separation to the suspension of solid titanium catalyst (A '), obtains solid (solid titanium catalyst).And, this solid can be contacted with liquid titanium compound (ε).
Be used for solid titanium catalyst (A ') or getting that catalyzer that polymerization contains the alpha-olefin of 4 or more a plurality of carbon atoms can make like this by drying with hydrocarbon solvent (γ) washing.Perhaps, solid titanium catalyst (A ') can be suspended in the hydrocarbon solvent (γ) once more, use this suspension to contain the catalyzer of the alpha-olefin of 4 or more a plurality of carbon atoms as polymerization.
In another approach, magnesium/polyether solution (II) and liquid titanium compound (ε) are being in contact with one another acquisition magnesium/titanium solution (III) afterwards, solubilizing agent (β) can be being contacted with magnesium/titanium solution (III).At this moment, better be before contacting, to heat magnesium/titanium solution (III) with solubilizing agent (β).Only in this method, the second kind of compound (δ ') that contains two ehter bonds at least and insert a plurality of atoms between two ehter bonds can be used as solubilizing agent (β).
The halogenous magnesium compound of every mol (α), the consumption of this solubilizing agent (β) is 0.01-5mol, is preferably 0.1-1mol.
(raw material of solid titanium catalyst (A '))
(halogenous magnesium compound (α))
The used halogenous magnesium compound (α) of the present invention for example can be any magnesium halide, as magnesium chloride, magnesium bromide, magnesium iodide and magnesium fluoride; Alkoxyl magnesium halogenide is as chlorination magnesium methylate, chlorination magnesium ethylate, chlorination isopropoxy magnesium, chlorination butoxy magnesium and chlorination octyloxy magnesium; With aryloxy magnesium halogenide, as chlorination phenoxy group magnesium and methyl chloride phenoxy group magnesium.Halogenous magnesium compound (α) can be a kind of coordination compound or mixture that contains another kind of metal, or with the mixture of another kind of metallic compound.In addition, halogenous magnesium compound (α) can also be the mixture of multiple these compounds.Wherein, be good with magnesium halide.Magnesium chloride is then good especially.Halogenous magnesium compound (α) constitutes magnesium (a ') and the halogen (c ') in the solid titanium catalyst of the present invention (A ').
(solubilizing agent (β))
The used solubilizing agent (β) of the present invention has halogenous magnesium compound (α) is dissolved in function in the solvent (γ).The example of suitable solubilizing agent (β) comprises alcohol, comprise the ester of metal acid esters and except containing two ehter bonds at least and insert the outer ether of compound (δ, δ ') of a plurality of atoms between two ehter bonds.Solubilizing agent (β) is equivalent to the solubilizing agent (f ') as a component of solid titanium catalyst of the present invention (A ').
As above-mentioned alcohol, that can address for example has fatty alcohol such as ethylene glycol, methyl carbitol, 2-methyl amyl alcohol, 2-ethyl butanol, n-Heptyl alcohol, n-Octanol, 2-Ethylhexyl Alcohol, decyl alcohol, dodecanol, tetradecanol, undecylenic alcohol, oleyl alcohol or a stearyl alcohol; Alicyclic alcohol such as hexalin or methyl-cyclohexanol; Aromatic alcohol such as benzylalcohol, xylyl alcohol, Isobutyl Benzyl Carbinol, α-Jia Jibianchun or α, alpha-alpha-dimethyl benzylalcohol; Or oxyalkylated fatty alcohol such as normal-butyl cellosolve or 1-butoxy-2-propyl alcohol.Wherein, be good with fatty alcohol.2-Ethylhexyl Alcohol is then good especially.
As above-mentioned ester, that can address for example has organic acid acetic such as a methyl-formiate that contains 2-18 carbon atom, methyl acetate, ethyl acetate, vinyl-acetic ester, propyl acetate, octyl acetate, hexalin acetate, ethyl propionate, methyl-butyrate, Valeric acid ethylester, methyl chloroacetate, ethyl dichloroacetate, methyl methacrylate, ethyl crotonate, the hexahydrobenzoic acid ethyl ester, methyl benzoate, ethyl benzoate, propyl benzoate, butyl benzoate, n-octyl benzoate, the phenylformic acid cyclohexyl, phenol benzoate, peruscabin, the toluic acid methyl esters, ethyl toluate, the toluic acid pentyl ester, the ethylamino benzonitrile acetoacetic ester, p-Methoxybenzoic acid methyl ester, ethyl anisate, the ethoxy benzonitrile acetoacetic ester, gamma-butyrolactone, δ-Wu Neizhi, tonka bean camphor, 2-benzo [c] furanone or ethyl-carbonate.
The metal acid esters also is that effectively they are included in the ester of the present invention.Its example comprises titanic acid ester, vanadic acid ester, niobic acid ester and zirconate.
The example of above-mentioned titanic acid ester comprises:
Orthotitanate such as titanic hydroxide methyl esters, titanic hydroxide ethyl ester, titanic hydroxide n-propyl, titanic hydroxide isopropyl ester, the positive butyl ester of titanic hydroxide, titanic hydroxide isobutyl ester, titanic hydroxide n-pentyl ester, titanic hydroxide 2-ethylhexyl, titanic hydroxide n-octyl, titanic hydroxide phenyl ester and titanic hydroxide cyclohexyl; With
Poly-titanic acid ester is as poly-metatitanic acid methyl esters, poly-titanium ethanolate, poly-metatitanic acid n-propyl, poly-isopropyl titanate, poly-tetrabutyl titanate, poly-iso-butyl titanate, poly-metatitanic acid n-pentyl ester, poly-metatitanic acid 2-ethylhexyl, poly-metatitanic acid n-octyl, poly-metatitanic acid phenyl ester and poly-metatitanic acid cyclohexyl.
The example of above-mentioned vanadic acid ester, niobic acid ester and zirconate comprises the ester that the titanium in the titanic acid ester is got by vanadium, niobium and zirconium replacement respectively.
As above-mentioned except containing two ehter bonds at least and between two ehter bonds, inserting the compound (δ of a plurality of atoms, δ ') Wai ether, that can address for example has the ether that contains 2-20 carbon atom, as methyl ether, ether, isopropyl ether, butyl ether, amyl ether, tetrahydrofuran (THF), phenylmethylether or phenyl ether.
(contain two ehter bonds at least and between two ehter bonds, insert the compound (δ, δ ') of a plurality of atoms)
About used the containing two ehter bonds at least and between two ehter bonds, insert the compound (δ of a plurality of atoms of the present invention, δ ') (below be called " polyether "), being inserted in atom between the ehter bond (below be called " linking group ") is at least a atom that is selected from carbon, silicon, oxygen, nitrogen, sulphur, phosphorus and the boron.This linking group better is a kind of huger substituent group of connection volume thereon that contains, described substituting group for example is to contain 2 or more a plurality of, straight chain, branching or the cyclic substituting group of better 3 or more a plurality of carbon atoms, be well to contain 2 or more a plurality of again, the branching or the cyclic substituting group of better 3 or more a plurality of carbon atoms.This substituting group better contains 2 or more a plurality of, contains 3-20 better, better contains 3-10, preferably contains 3-7 carbon atom.Can use the polyether (δ, δ ') of number of different types.As first kind of polyether and second kind of polyether, can use identical polyether, perhaps can use different polyethers.Polyether (δ, δ ') is equivalent to containing two ehter bonds at least and insert the compound (d ') of a plurality of atoms between two ehter bonds as a component of solid titanium catalyst of the present invention (A ').
As polyether (δ, δ '), that can address for example has a following formula: compound:
Figure C0180268900301
Wherein n satisfies the integer that concerns 2≤n≤10; Each R 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group better is R 1-R 20(n=20) substituting group can form the ring except phenyl ring jointly, and the atom except carbon can be included in its main chain.
Polyether (δ, δ ') for example can be any in the following substances:
2-(2-ethylhexyl)-1, the 3-Propanal dimethyl acetal,
2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-butyl-1, the 3-Propanal dimethyl acetal,
2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2-cyclohexyl-1, the 3-Propanal dimethyl acetal,
2-phenyl-1, the 3-Propanal dimethyl acetal,
2-cumyl-1, the 3-Propanal dimethyl acetal,
2-(2-phenylethyl)-1, the 3-Propanal dimethyl acetal,
2-(2-cyclohexyl ethyl)-1, the 3-Propanal dimethyl acetal,
2-(rubigan)-1, the 3-Propanal dimethyl acetal,
2-(diphenyl methyl)-1, the 3-Propanal dimethyl acetal,
2-(1-naphthyl)-1, the 3-Propanal dimethyl acetal,
2-(2-fluorophenyl)-1, the 3-Propanal dimethyl acetal,
2-(1-decahydro naphthyl)-1, the 3-Propanal dimethyl acetal,
2-(to tert-butyl-phenyl)-1, the 3-Propanal dimethyl acetal,
2,2-dicyclohexyl-1, the 3-Propanal dimethyl acetal,
2,2-two cyclopentyl-1, the 3-Propanal dimethyl acetal,
2,2-diethyl-1, the 3-Propanal dimethyl acetal,
2,2-dipropyl-1, the 3-Propanal dimethyl acetal,
2,2-di-isopropyl-1, the 3-Propanal dimethyl acetal,
2,2-dibutyl-1, the 3-Propanal dimethyl acetal,
2-methyl-2-propyl group-1, the 3-Propanal dimethyl acetal,
2-methyl-2-benzyl-1, the 3-Propanal dimethyl acetal,
2-methyl-2-ethyl-1, the 3-Propanal dimethyl acetal,
2-methyl-2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-methyl-2-phenyl-1, the 3-Propanal dimethyl acetal,
2-methyl-2-cyclohexyl-1, the 3-Propanal dimethyl acetal,
2,2-two (rubigan)-1, the 3-Propanal dimethyl acetal,
2,2-two (2-cyclohexyl ethyl)-1, the 3-Propanal dimethyl acetal,
2-methyl-2-isobutyl--1, the 3-Propanal dimethyl acetal,
2-methyl-2-(2-ethylhexyl)-1, the 3-Propanal dimethyl acetal,
2,2-diisobutyl-1, the 3-Propanal dimethyl acetal,
2,2-phenylbenzene-1, the 3-Propanal dimethyl acetal,
2,2-dibenzyl-1, the 3-Propanal dimethyl acetal,
2,2-two (cyclohexyl methyl)-1, the 3-Propanal dimethyl acetal,
2,2-diisobutyl-1, the 3-di ethyl propyl ether,
2,2-diisobutyl-1,3-dibutoxy propane,
2-isobutyl--2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-(1-methyl butyl)-2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-(1-methyl butyl)-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2,2-two sec-butyls-1, the 3-Propanal dimethyl acetal,
2,2-di-t-butyl-1, the 3-Propanal dimethyl acetal,
2,2-di neo-pentyl-1, the 3-Propanal dimethyl acetal,
2-sec.-propyl-2-isopentyl-1, the 3-Propanal dimethyl acetal,
2-phenyl-2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-phenyl-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2-benzyl-2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-benzyl-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2-phenyl-2-benzyl-1, the 3-Propanal dimethyl acetal,
2-cyclopentyl-2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-cyclopentyl-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2-cyclohexyl-2-sec.-propyl-1, the 3-Propanal dimethyl acetal,
2-cyclohexyl-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2-sec.-propyl-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2-cyclohexyl-2-cyclohexyl methyl-1, the 3-Propanal dimethyl acetal,
2,3-phenylbenzene-1,4-diethoxy butane,
2,3-dicyclohexyl-1,4-diethoxy butane,
2,2-dibenzyl-1,4-diethoxy butane,
2,3-dicyclohexyl-1,4-diethoxy butane,
2,3-di-isopropyl-1,4-diethoxy butane,
2,2-two (p-methylphenyl)-1, the 4-dimethoxy-butane,
2,3-two (rubigan)-1, the 4-dimethoxy-butane,
2,3-two (to fluorophenyl)-1, the 4-dimethoxy-butane,
2,4-phenylbenzene-1,5-dimethoxy pentane,
2,5-phenylbenzene-1,5-dimethoxy hexane,
2,4-di-isopropyl-1,5-dimethoxy pentane,
2,4-diisobutyl-1,5-dimethoxy pentane,
2,4-diisoamyl-1,5-dimethoxy pentane,
3-methoxymethyl tetrahydrofuran (THF), 3-methoxymethyl two _ alkane,
1,3-two isobutoxy propane, 1,2-two isobutoxy propane,
1,2-two isobutoxy ethane, 1,3-diisoamyl oxygen base propane,
1,3-two different neopentyl oxygen ethane, 1,3-two neopentyl oxygen propane,
2,2-tetramethylene-1, the 3-Propanal dimethyl acetal,
2,2-pentamethylene-1, the 3-Propanal dimethyl acetal,
2,2-hexa-methylene-1, the 3-Propanal dimethyl acetal,
1,2-two (methoxymethyl) hexanaphthene,
2,8-dioxo spiro [5,5] undecane,
3,7-two oxabicyclos [3,3,1] nonane,
3,7-two oxabicyclos [3,3,0] octane,
3,3-diisobutyl-1,5-oxo nonane,
6,6-diisobutyl dioxy base heptane,
1,1-dimethoxy-methyl pentamethylene,
1,1-two (dimethoxy-methyl) hexanaphthene,
1,1-two (methoxymethyl) two ring [2,2,1] heptane,
1,1-dimethoxy-methyl pentamethylene,
2-methyl-2-methoxymethyl-1, the 3-Propanal dimethyl acetal,
2-cyclohexyl-2-ethoxyl methyl-1, the 3-di ethyl propyl ether,
2-cyclohexyl-2-methoxymethyl-1, the 3-Propanal dimethyl acetal,
2,2-diisobutyl-1,3-dimethoxy hexanaphthene,
2-sec.-propyl-2-isopentyl-1,3-dimethoxy hexanaphthene,
2-cyclohexyl-2-methoxymethyl-1,3-dimethoxy hexanaphthene,
2-sec.-propyl-2-methoxymethyl-1,3-dimethoxy hexanaphthene,
2-isobutyl--2-methoxymethyl-1,3-dimethoxy hexanaphthene,
2-cyclohexyl-2-ethoxyl methyl-1,3-diethoxy hexanaphthene,
2-cyclohexyl-2-ethoxyl methyl-1,3-dimethoxy hexanaphthene,
2-sec.-propyl-2-ethoxyl methyl-1,3-diethoxy hexanaphthene,
2-sec.-propyl-2-ethoxyl methyl-1,3-dimethoxy hexanaphthene,
2-isobutyl--2-ethoxyl methyl-1,3-diethoxy hexanaphthene,
2-isobutyl--2-ethoxyl methyl-1,3-dimethoxy hexanaphthene,
Three (p-methoxyphenyl) phosphine,
Aminomethyl phenyl two (methoxymethyl) silane,
Phenylbenzene two (methoxymethyl) silane,
Methylcyclohexyl two (methoxymethyl) silane,
Di-t-butyl two (methoxymethyl) silane,
The cyclohexyl tertiary butyl two (methoxymethyl) silane and
The sec.-propyl tertiary butyl two (methoxymethyl) silane.These polyethers (δ, δ ') can combine use.
In above-claimed cpd, 1,3-two ethers are preferably.Good especially compound is:
2,2-diisobutyl-1, the 3-Propanal dimethyl acetal,
2-sec.-propyl-2-isopentyl-1, the 3-Propanal dimethyl acetal,
2,2-dicyclohexyl-1, the 3-Propanal dimethyl acetal,
2,2-two (cyclohexyl methyl)-1, the 3-Propanal dimethyl acetal,
2-sec.-propyl-2-cyclohexyl-1, the 3-Propanal dimethyl acetal,
2-sec.-propyl-2-sec-butyl-1, the 3-Propanal dimethyl acetal,
2,2-phenylbenzene-1, the 3-Propanal dimethyl acetal and
2-sec.-propyl-2-cyclopentyl-1, the 3-Propanal dimethyl acetal.
(liquid titanium compound (ε))
As the used liquid titanium compound of the present invention (ε), the halogenous titanium compound of the tetravalence that for example has following formula to represent that can address:
Ti(OR) mX 4-m
R representation hydrocarbyl wherein, X represents halogen atom, and m satisfies the number that concerns 0≤m＜4.
Halogenous titanium compound for example can be any titanium tetrahalide such as TiCl 4, TiBr 4And TiI 4Titan-alkoxide trihalid such as Ti (OCH 3) Cl 3, Ti (OC 2H 5) Cl 3, Ti (O just-C 4H 9) Cl 3, Ti (OC 2H 5) Br 3And Ti (O is different-C 4H 9) Br 3Titan-alkoxide dihalide such as Ti (OCH 3) 2Cl 2, Ti (OC 2H 5) 2Cl 2, Ti (O just-C 4H 9) 2Cl 2And Ti (OC 2H 5) 2Br 2Titan-alkoxide list halogenide such as Ti (OCH 3) 3Cl, Ti (OC 2H 5) 3Cl, Ti (O just-C 4H 9) 3Cl and Ti (OC 2H 5) 3Br; With four titan-alkoxides such as Ti (OCH 3) 4, Ti (OC 2H 5) 4, Ti (O just-C 4H 9) 4, Ti (O is different-C 4H 9) 4And Ti (O-2-ethylhexyl) 4Wherein, titanium tetrahalide is preferably.Titanium tetrachloride is then good especially.
These titanium compounds (ε) can separately or combine use.Perhaps, they can use in the form of the dilution in the following solvents (γ).
(solvent (γ))
As the used solvent of the present invention (γ), that can address for example has aliphatic hydrocrbon such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane or kerosene; Clicyclic hydrocarbon such as pentamethylene, hexanaphthene or methylcyclopentane; Aromatic hydrocarbon such as benzene, toluene or dimethylbenzene; Halohydrocarbon such as ethylene chloride or chlorobenzene; Or the mixture of these materials.Wherein, be good with aliphatic hydrocrbon.Decane is then good especially.Solvent (γ) is equivalent to the hydrocarbon (e ') in the solid titanium catalyst of the present invention (A ').
(polymerizing catalyst)
Solid titanium catalyst (A ') combines with the catalyst component that comprises the organometallic compound (B ') that contains periodictable I to III family metal, is used for the alpha-olefin that polymerization contains 4 or more a plurality of carbon atoms.For example, use first kind of polymerizing catalyst randomly making by solid titanium catalyst (A ') and organo-aluminium compound (B '), polymerization of Alpha-olefin with electron donor(ED) (C ').Also can use at solid titanium catalyst (A ') and organo-aluminium compound (B ') second kind of polymerizing catalyst that randomly pre-polymerized catalyst (D ') of prepolymerization alpha-olefin acquisition is made in the presence of organo-aluminium compound (B ') and/or electron donor(ED) (C '), polymerization of Alpha-olefin.
(organometallic compound (B ') that contains periodictable I to III family metal)
As the used organometallic compound (B ') that contains periodictable I to III family metal of polymerization of the present invention, the organo-aluminium compound that for example has following formula to represent that can address:
R a nAlX 3-n
R wherein aRepresentative contains the alkyl of 1-12 carbon atom, and X represents halogen or hydrogen, and n is the number of 1-3.
In this formula, R aRepresentation hydrocarbyl for example contains alkyl, cycloalkyl or the aryl of 1-12 carbon atom.R aFor example can be any one in the following radicals: methyl, ethyl, n-propyl, sec.-propyl, isobutyl-, amyl group, hexyl, octyl group, cyclopentyl, cyclohexyl, phenyl and tolyl.
As organo-aluminium compound, that can address for example has any in the following substances: trialkylaluminium such as trimethyl aluminium, triethyl aluminum, triisopropylaluminiuand, triisobutyl aluminium, trioctylaluminum and three-2-ethylhexyl aluminium; Alkenyl aluminium such as prenyl aluminium; Dialkyl aluminum halide such as chlorodimethylalumiu, diethylaluminum chloride, chlorination di-isopropyl aluminium, di-isobutyl aluminum chloride and bromination dimethyl aluminium; Sesquialter alkyl aluminum halide such as sesquialter methyl chloride aluminium, sesquialter ethylaluminium chloride, sesquialter chlorination sec.-propyl aluminium, sesquialter chlorinated butyl aluminium and sesquialter bromination aluminium triethyl; Alkyllithium dihalide such as methylaluminium dichloride, ethylaluminium dichloride, dichloride sec.-propyl aluminium and dibrominated aluminium triethyl; With alkyl aluminum hydride such as diethyl aluminium hydride and diisobutylaluminium hydride.
Also can use following formula: compound as organo-aluminium compound:
R a nAlY 3-n
R wherein aDefinition as mentioned above; Y represents Shi-OR b,-OSi (R c) 3,-OAlR d 2,-NR e 2,-SiR f 3Or-N (R g) AlR h 2Group; N is the number of 1-2.Each R b, R c, R dAnd R hFor example represent methylidene, ethyl, sec.-propyl, isobutyl-, cyclohexyl or phenyl.R eFor example represent hydrogen, methyl, ethyl, sec.-propyl, phenyl or trimethyl silyl.Each R fAnd R gFor example represent methylidene or ethyl.
Above-mentioned organo-aluminium compound for example can be any in the following compound:
Formula R a nAl (OR b) 3-nThe compound of expression is as dimethyl methoxy base aluminium, diethylaluminum ethoxide and diisobutyl aluminum methoxide;
Formula R a nAl (OSiR c 3) 3-nThe compound of expression is as Et 2Al (OSiMe 3), (different-Bu) 2Al (OSiMe 3) and (different-Bu) 2Al (OSiEt 3);
Formula R a nAl (OAlR d 2) 3-nThe compound of expression is as Et 2AlOAlEt 2(different-Bu) 2AlOAl (different-Bt) 2
Formula R a nAl (NR e 2) 3-nThe compound of expression is as Me 2AlNEt 2, Et 2AlNHMe, Me 2AlNHEt, Et 2AlN (Me 3Si) 2(different-Bu) 2AlN (Me 3Si) 2
Formula R a nAl (SiR f 3) 3-nThe compound of expression, as (different-Bu) 2AlSiMe 3With
Formula R a nAl (N (R g) AlR h 2) 3-nThe compound of expression is as Et 2AlN (Me) AlEt 2(different-Bu) 2AlN (Et) Al (different-Bu) 2
Formula R a 3Al, R a nAl (OR b) 3-nAnd R a nAl (OAlR d 2) 3-nThe organo-aluminium compound of expression is preferably.
Its representational example is that the organometallic compound (B ') that contains periodictable I to III family metal of above-mentioned organo-aluminium compound also can be used for preparing pre-polymerized catalyst.
(electron donor(ED) (C '))
The used electron donor(ED) (C ') of the present invention for example can be the silicon compound that solubilizing agent (β) used in preparation solid titanium catalyst component (A ') or following formula are represented:
R 7 nSi(OR 8) 4-n (i)
Wherein n is 1,2 or 3; When n is 1, R 7Represent the second month in a season or tertiary hydrocarbon base; When n is 2 or 3, R 7In at least one represent the second month in a season or tertiary hydrocarbon base, condition is R 7Each other can be identical or different; R 8Representative contains the alkyl of 1-4 carbon atom, and condition is when 4-n is 2 or 3, R 8Each other can be identical or different.
About the silicon compound of formula (i) expression, the second month in a season or tertiary hydrocarbon base can be cyclopentyl, cyclopentenyl or the cyclopentadienyls that does not replace or replace or contain silicon and the second month in a season that is adjacent or the alkyl of tertiary carbon.
The cyclopentyl of above-mentioned replacement for example can be alkylating cyclopentyl such as 2-methylcyclopentyl, 3-methylcyclopentyl, 2-ethyl cyclopentyl, 2-normal-butyl cyclopentyl, 2,3-dimethylcyclopentyl, 2,4-dimethylcyclopentyl, 2,5-dimethylcyclopentyl, 2,3-diethyl cyclopentyl, 2,3,4-trimethylammonium cyclopentyl, 2,3,5-trimethylammonium cyclopentyl, 2,3,4-triethyl cyclopentyl, tetramethyl-ring amyl group or tetraethyl-cyclopentyl.
The cyclopentenyl of above-mentioned replacement for example can be alkylating cyclopentenyl such as 2-methyl cyclopentene base, 3-methyl cyclopentene base, 2-ethyl cyclopentenyl, 2-normal-butyl cyclopentenyl, 2,3-dimethylcyclopentene base, 2,4-dimethylcyclopentene base, 2,5-dimethylcyclopentene base, 2,3,4-trimethyl-cyclopentene base, 2,3,5-trimethyl-cyclopentene base, 2,3,4-triethyl cyclopentenyl, tetramethyl-ring pentenyl or tetraethyl-cyclopentenyl.
The cyclopentadienyl of above-mentioned replacement for example can be alkylating cyclopentadienyl such as 2-methyl cyclopentadienyl, the 3-methyl cyclopentadienyl, 2-ethyl cyclopentadienyl, the 2-n-butyl cyclopentadienyl, 2,3-dimethyl cyclopentadienyl, 2,4-dimethyl cyclopentadienyl, 2,5-dimethyl cyclopentadienyl, 2,3-diethyl cyclopentadienyl, 2,3,4-trimethylammonium cyclopentadienyl, 2,3,5-trimethylammonium cyclopentadienyl, 2,3,4-triethyl cyclopentadienyl, 2,3,4,5-tetramethyl-ring pentadienyl, 2,3,4,5-tetraethyl-cyclopentadienyl, 1,2,3,4,5-pentamethyl-cyclopentadienyl or 1,2,3,4,5-five ethyl cyclopentadienyls.
The alkyl of the above-mentioned secondary carbon that contains silicon and be adjacent for example can be sec.-propyl, sec-butyl, sec.-amyl sec-pentyl secondary amyl or α-Jia Jibianji.The alkyl of the above-mentioned tertiary carbon that contains silicon and be adjacent for example can be the tertiary butyl, tert-pentyl, α, α '-dimethyl benzyl or adamantyl (adamantyl).
When n is 1, the silicon compound of formula (i) expression for example can be trialkoxy silane such as cyclopentyl Trimethoxy silane, 2-methylcyclopentyl Trimethoxy silane, 2,3-dimethylcyclopentyl Trimethoxy silane, cyclopentyl triethoxyl silane, isobutyl-triethoxyl silane, tertiary butyl triethoxyl silane, cyclohexyl trimethoxy silane, cyclohexyl triethoxyl silane, 2-norbornane Trimethoxy silane or 2-norbornane triethoxyl silane.
When n was 2, the silicon compound of formula (i) expression for example can be that dialkoxy silicane is as two cyclopentyl diethoxy silanes, tertiary butyl methyl dimethoxysilane, tertiary butyl methyldiethoxysilane, tert-pentyl methyldiethoxysilane, dicyclohexyl dimethoxy silane, cyclohexyl methyl dimethoxy silane, cyclohexyl methyl diethoxy silane or 2-norbornane methyl dimethoxysilane.
When n was 2, the silicon compound of formula (i) expression better was the dimethoxy compound that following formula is represented:
Wherein each R ' and R " the representative cyclopentyl, the cyclopentenyl that does not replace or replace or the cyclopentadienyl that does not replace or replace that do not replace or replace or contain silicon and the second month in a season that is adjacent or the alkyl of tertiary carbon respectively.
The silicon compound that formula is (ii) represented for example can be a dicyclopentyl dimethoxyl silane, dicyclopentenyl dimethoxy silane, dicyclopentadienyl dimethoxy silane, di-t-butyl dimethoxy silane, two (2-methylcyclopentyl) dimethoxy silane, two (3-methylcyclopentyl) dimethoxy silane, two (2-ethyl cyclopentyl) dimethoxy silane, two (2, the 3-dimethylcyclopentyl) dimethoxy silane, two (2, the 4-dimethylcyclopentyl) dimethoxy silane, two (2, the 5-dimethylcyclopentyl) dimethoxy silane, two (2,3-diethyl cyclopentyl) dimethoxy silane, two (2,3,4-trimethylammonium cyclopentyl) dimethoxy silane, two (2,3,5-trimethylammonium cyclopentyl) dimethoxy silane, two (2,3,4-triethyl cyclopentyl) dimethoxy silane, two (tetramethyl-ring amyl group) dimethoxy silane, two (tetraethyl-cyclopentyl) dimethoxy silane, two (2-methyl cyclopentene base) dimethoxy silane, two (3-methyl cyclopentene base) dimethoxy silane, two (2-ethyl cyclopentenyl) dimethoxy silane, two (2-normal-butyl cyclopentenyl) dimethoxy silane, two (2,3-dimethylcyclopentene base) dimethoxy silane, two (2,4-dimethylcyclopentene base) dimethoxy silane, two (2,5-dimethylcyclopentene base) dimethoxy silane, two (2,3,4-trimethyl-cyclopentene base) dimethoxy silane, two (2,3,5-trimethyl-cyclopentene base) dimethoxy silane, two (2,3,4-triethyl cyclopentenyl) dimethoxy silane, two (tetramethyl-ring pentenyl) dimethoxy silane, two (tetraethyl-cyclopentenyl) dimethoxy silane, two (2-methyl cyclopentadienyl) dimethoxy silane, two (3-methyl cyclopentadienyl) dimethoxy silane, two (2-ethyl cyclopentadienyl) dimethoxy silane, two (2-n-butyl cyclopentadienyl) dimethoxy silane, two (2,3-dimethyl cyclopentadienyl) dimethoxy silane, two (2,4-dimethyl cyclopentadienyl) dimethoxy silane, two (2,5-dimethyl cyclopentadienyl) dimethoxy silane, two (2,3-diethyl cyclopentadienyl) dimethoxy silane, two (2,3,4-trimethylammonium cyclopentadienyl) dimethoxy silane, two (2,3,5-trimethylammonium cyclopentadienyl) dimethoxy silane, two (2,3,4-triethyl cyclopentadienyl) dimethoxy silane, two (2,3,4,5-tetramethyl-ring pentadienyl) dimethoxy silane, two (2,3,4,5-tetraethyl-cyclopentadienyl) dimethoxy silane, two (1,2,3,4,5-pentamethyl-cyclopentadienyl) dimethoxy silane, two (1,2,3,4,5-five ethyl cyclopentadienyls) dimethoxy silane, two tert-pentyl dimethoxy silane, two (α, α '-dimethyl benzyl) dimethoxy silane, two (adamantyl) dimethoxy silane, adamantyl tertiary butyl dimethoxy silane, cyclopentyl tertiary butyl dimethoxy silane, diisopropyl dimethoxy silane, two sec-butyl dimethoxy silane, di-sec-amyl dimethoxy silane or sec.-propyl sec-butyl dimethoxy silane.
When n was 3, silicon compound for example can be that monoalkoxy silane is as three cyclopentyl methoxy silane, three cyclopentyl Ethoxysilanes, two cyclopentyl-methyl methoxy silane, two cyclopentyl ethyl methoxy silane, two cyclopentyl-methyl Ethoxysilanes, cyclopentyl dimethyl methyl TMOS, cyclopentyl diethyl methoxy silane or cyclopentyl dimethylethoxysilane.
(the v) method of polymerization of Alpha-olefin
(main polymerization)
The polymerization that contains the alpha-olefin of 4 or more a plurality of carbon atoms by the present invention can randomly carried out in the presence of first kind of polymerizing catalyst that electron donor(ED) (C ') is made by solid titanium catalyst (A ') and the organometallic compound (B ') that contains periodictable I to III family metal.
In this main polymerization, every liter of reinforced volume, in titanium atom, the consumption of solid titanium catalyst (A ') is about 0.001-0.5mmol usually, better is about 0.005-0.1mmol.The consumption that contains the organometallic compound (B ') of periodictable I to III family metal is a contained titanium atom in the solid titanium catalyst (A ') that makes every mol polymerization system, and the amount of atoms metal is about 1-2000mol usually, better is about 5-500mol.Every mol contains the atoms metal in the organometallic compound (B ') of periodictable I to III family metal, and the consumption of electron donor(ED) (C ') is about 0.01-10mol usually, is preferably 0.01-2mol.
The used alpha-olefin that contains 4 or more a plurality of carbon atoms for example can be any in the following alkene in the main polymerization: 1-butylene, 1-amylene, 1-hexene, 4-methyl-1-pentene, 1-octene, 1-decene, 1-dodecylene, tetradecene, cetene, 1-vaccenic acid and 1-eicosylene, can also be any cycloolefin that contains 5-20 carbon atom such as cyclopentenes, suberene, norbornylene, 5-methyl-2-norbornylene, tetracyclododecane, 2-methyl isophthalic acid, 4,5,8-dimethylene-1,2,3,4,4a, 5,8,8a-octahydro naphthalene.These alkene can combine use.And, for example can use vinylbenzene, vinyl cyclohexane, diene, ethene or propylene as comonomer.Especially, the multipolymer of 1-butylene and propylene can be used for conventional application, and it is a kind of combination of monomers preferably.The content of alpha-olefin is 50mol% or bigger.In order to bring into play the characteristic of polymerizing catalyst of the present invention satisfactorily, the content of alpha-olefin is 70-100mol%, is in particular 80-100mol%.
In polymerization process, use molecular weight regulator such as Hydrogen Energy to regulate the molecular weight of the polymkeric substance that makes from the alpha-olefin that contains 4 or more a plurality of carbon atoms.Like this, can obtain the high polymkeric substance of melt flow rate (MFR).
Polymerization temperature is provided with usually and is about 20-200 ℃, better is about 50-150 ℃.Applied pressure is set to normal atmosphere usually to 10MPa, better is about 2 * 10 -1To 5MPa.
Polymerization can be intermittently, any method in the semicontinuous and continuous processing is carried out.And, polymerization can by 2 the step or more the multistep polymerization method carry out, wherein reaction conditions is looked each step and is become.
The polymerization that contains the alpha-olefin of 4 or more a plurality of carbon atoms by the present invention can take any method in liquid polymerization such as suspension polymerization and the gaseous polymerization to carry out.
When taking liquid polymerization to carry out main polymerization, can use unreactive hydrocarbons used in the following prepolymerization as solvent.Also can use under polymerizing condition is the alkene that contains 4 or more a plurality of carbon atoms of liquid.
(prepolymerization)
The polymerization that contains the alpha-olefin of 4 or more a plurality of carbon atoms by the present invention also can be used at solid titanium catalyst (A ') and contain second kind of polymerizing catalyst that organometallic compound (B ') pre-polymerized catalyst (D ') that randomly the prepolymerization alpha-olefin obtains in the presence of organometallic compound (B ') that contains periodictable I to III family metal and/or electron donor(ED) (C ') of periodictable I to III family metal makes and carry out.To describe method and this second kind of polymeric method of second kind of polymerizing catalyst of preparation (pre-polymerized catalyst) below in detail.Their and methods of first kind of polymerizing catalyst of preparation and the polymerization process of first kind of polymerizing catalyst of use have nothing different basically.
About prepolymerization, organometallic compound (B '), electron donor(ED) (C ') that makes solid titanium catalyst (A ') in the unreactive hydrocarbons medium, contain periodictable I to III family metal etc. reacts, the alpha-olefin that will contain 4 or more a plurality of carbon atoms is added in the reaction mixture, usually be about-20 to+100 ℃ in temperature, better being about-20 to+80 ℃, is well to carry out prepolymerization under 0 to+40 ℃ the mild conditions again.
In prepolymerization, every liter of unreactive hydrocarbons medium, in titanium atom, the concentration of solid titanium catalyst (A ') better is about 0.001-200mmol usually, good especially 0.01-50mmol, the more preferably 0.1-20mmol of being about.In prepolymerization, used catalyst concn can be than the height in the main polymerization.
In prepolymerization, the amount that contains the organometallic compound (B ') of periodictable I to III family metal can be to make every gram solid titanium catalyst (A '), forms 0.1-1000g, and better 0.3-500g contains the polymkeric substance of the alpha-olefin of 4 or more a plurality of carbon atoms.Titanium atom in every mol solid titanium catalyst (A '), this amount better are about 0.1-300mol usually, good especially 0.5-100mol, the more preferably 1-50mol of being about.
On demand, in prepolymerization, can add electron donor(ED) (C ').Electron donor(ED) (C ') used in prepolymerization for example is nitrogenous compound, oxygenatedchemicals or phosphorous compound.Titanium atom in every mol solid titanium catalyst (A '), the consumption of electron donor(ED) (C ') is 0.1-50mol, is preferably 0.5-30mol, is well 1-10mol again.
Above-mentioned nitrogenous compound for example can be following any compound, following formula 2, and the piperidines that 6-replaces:
Figure C0180268900411
Figure C0180268900414
Figure C0180268900421
Figure C0180268900422
Following formula 2, the tetramethyleneimine that 5-replaces:
Figure C0180268900424
The methylene diamine such as the N that replace, N, N ', N '-tetramethyl-methylene diamine and N, N, N ', N '-tetraethyl-methylene diamine; With
The imidazolidine that replaces is as 1,3-dibenzyl imidazole alkane and 1,3-dibenzyl-2-phenylimidazolidines.
Above-mentioned phosphorous compound better is phosphorous acid ester such as triethyl-phosphite, tricresyl phosphite n-propyl, triisopropyl phosphite, tri-n-butylphosphite, tricresyl phosphite isobutyl ester, the positive butyl ester of phosphorous acid diethyl or phosphorous acid diethyl phenyl ester.
As above-mentioned oxygenatedchemicals, operable for example have a following formula 2, the tetrahydropyrans and 2 that 6-replaces, and any in the tetrahydrofuran (THF) that 5-replaces:
Figure C0180268900431
Figure C0180268900433
Figure C0180268900434
As the used unreactive hydrocarbons medium of prepolymerization, that can address for example has aliphatic hydrocrbon such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane or kerosene; Clicyclic hydrocarbon such as pentamethylene, hexanaphthene or methylcyclopentane; Aromatic hydrocarbon such as benzene, toluene or dimethylbenzene; Halohydrocarbon such as ethylene chloride or chlorobenzene; Or the mixture of these materials.In these unreactive hydrocarbons, should use aliphatic hydrocrbon.When using the unreactive hydrocarbons medium, should adopt interrupter method to carry out prepolymerization.Prepolymerization can use the alpha-olefin itself that contains 4 or more a plurality of carbon atoms to carry out as solvent, perhaps carries out being substantially free of under the condition of solvent.
In prepolymerization, can use molecular weight regulator such as hydrogen.The consumption of molecular weight regulator better is, and the limiting viscosity [η] that records in naphthalane when making the alpha-olefinic polymer that obtains through prepolymerization at 135 ℃ is about 0.2dl/g or bigger, especially is about 0.5-10dl/g.
The used alpha-olefin of prepolymerization can be identical or different with the used alpha-olefin that contains 4 or more a plurality of carbon atoms in the main polymerization.Propylene is good especially.
When every gram solid titanium catalyst (A ') forms 0.1-1000g, when better 0.3-500g, good again 1-200g alpha-olefinic polymer, stop prepolymerization.
In the prepolymerization used solid titanium catalyst (A ') and the organometallic compound (B ') that contains periodictable I to III family metal respectively with main polymerization in used solid titanium catalyst (A ') and to contain the organometallic compound (B ') of periodictable I to III family metal identical.
Solid titanium catalyst of the present invention (A ') is substantially free of carboxylic acid derivative.The example of carboxylic acid derivative comprises carboxylicesters and carboxylic acid anhydride.The content that " is substantially free of carboxylic acid derivative " and is meant the carboxylic acid derivative in the solid titanium catalyst (A ') at this used term is 5 weight % or still less.The content of carboxylic acid derivative is preferably 1 weight % or still less, is well 500ppm or still less again, is preferably 100ppm or still less.
Therefore, in the polymkeric substance or multipolymer of the alpha-olefin that contains 4 or more a plurality of carbon atoms that obtains through polymerization of the present invention, not only the content of carboxylic acid derivative (it is electronic donor compound capable (C ')) is low, and the content of the alkene of alpha-olefin isomerization acquisition is also low.
The limiting viscosity of this polymkeric substance or multipolymer [η] is 0.01-100dl/g, is preferably 0.1-50dl/g.
Embodiment
The invention will be further described below with reference to the following embodiment that does not limit the scope of the invention.
Embodiment 1
(preparation solid titanium catalyst component (c-1))
Heating 6.0kg (63mol) Magnesium Chloride Anhydrous, 26.6 liters of decane and 29.2 liters of (189mol) 2-Ethylhexyl Alcohols are 4 hours in the time of 140 ℃, and they are reacted, and obtain uniform solution.Subsequently, adding 1.59kg (7.88mol) 2-sec.-propyl-2-isobutyl--1 in the solution uniformly, the 3-Propanal dimethyl acetal stirred 1 hour in the time of 110 ℃.
The homogeneous solution that obtains like this is cooled to room temperature, in 2.5 hours, the above-mentioned drips of solution that is chilled to room temperature of 37.0kg is added to 120 liters (1080mol) and remains in-24 ℃ the titanium tetrachloride.The solution that obtains was like this heated 6 hours, when its temperature reaches 110 ℃, add 0.68kg (3.37mol) 2-sec.-propyl-2-isobutyl--1 therein, the 3-Propanal dimethyl acetal.
And in the time of 110 ℃,, react solution stirring 2 hours.Collect solid by heat filtering from reaction mixture, place it in 132 liters of titanium tetrachlorides, stir into slurry.The heating slurry is 2 hours in the time of 110 ℃, further reacts.
Collect solid from reaction mixture again by heat filtering, with 90 ℃ decane and hexane wash.When in washings, again detecting, stop washing less than titanium compound.So just obtained solid titanium catalyst component (c-1).
To the sampling of part hexane slurry and the drying of solid titanium catalyst component (c-1), analyze the exsiccant sample.By weight, the quantitative composition of solid titanium catalyst component (c-1) is 3.0% titanium, 57% chlorine, 17% magnesium and 2-sec.-propyl-2-isobutyl--1 of 18.0%, the 3-Propanal dimethyl acetal.
(copolymerization of 1-butylene and propylene)
Internal capacity be feed in 200 liters the continuous polymerization reactor 73 liters/hour hexane, 16 kilograms/hour 1-butylene, 0.07 kilogram/hour propylene, 10N liter/hour hydrogen, 0.38 mmole (in titanium atom)/hour solid titanium catalyst component (c-1), 38 mmoles/hour triethyl aluminum and 1.3 mmoles/hour cyclohexyl methyl dimethoxy silane, carry out the copolymerization of 1-butylene and propylene.Like this, obtain multipolymer with 4.8 kilograms/hour speed.In this copolymerization, temperature is 60 ℃, and mean residence time is 0.8 hour, and stagnation pressure is 3 * 10 -1MPaG.The character of gained multipolymer (propylene content, limiting viscosity [η], molecular weight distribution mw/mn, fusing point Tm, isotaxy five unit number of componentss, 1/2 crystalline transformation time, tensile modulus E and B value) is listed in the table 1.
(preparation resin combination)
1-butylene/propylene copolymer that will obtain like this with 4: 1 weight ratios and poly-1-butylene (fusing point: 124 ℃, limiting viscosity: 1.2, Mw/Mn:3.6,1/2 crystalline transformation time: 15 hours, isotaxy five unit number of componentss: 94.1%) mix.In the resin combination of 100 weight part gained, add 0.2 weight part high density polyethylene(HDPE) (MFR:13g/10min, density: 965kg/m 3) nucleator and thermo-stabilizer, be that the single screw extrusion machine of 40mm carries out melt blending with screw diameter.So just obtained resin combination, its character is listed in the table 1.
(manufacturing tubing)
In the resin combination that obtains like this, add thermo-stabilizer (metallic soap phenol, the benzotriazole base), use the single screw extrusion machine granulation.Being respectively in preset temperature, coolant water temperature and forming tubular product speed under the condition of 180 ℃, 11 ℃ and 3m/min, is that the pellet of gained is extruded into internal diameter is that 27mm, wall thickness are the tubing of 2.4mm for the forming tubular product machine of 90mm with screw diameter.
Tubing is carried out hydrostatic test, and its result also lists in the table 1.
(measuring method)
Measure butylene/propylene copolymer, comprise the character of the resin combination and the tubing of butylene/propylene copolymer by following mode.
(1) propylene content in butylene/propylene copolymer
The 30-50mg multipolymer is dissolved in 0.5cm 3Hexachlorobutadiene in, measuring temperature is that 115-120 ℃, useful range are that 180ppm, cumulative frequency are 500-10,000, the recurrent interval is that 4.5-5 second and pulse width are to measure with SUPERCONDUCTING NMR (model is GSH-270, is made by JEOL LTD.) under 45 ° the condition.
(2) fusing point Tm 1
Use the thick metal frame of 0.1mm multipolymer to be clipped in the middle with the thick polyester chips of 50 μ m, aluminium sheet and the thick iron plate of 1mm that 100 μ m are thick, heating is 5 minutes in the time of 190 ℃, under 5MPa, outgas, remained on 5MPa following 5 minutes, under 5MPa, cooled off 5 minutes again with the cooling press of water cooling at 20 ℃.So just obtained sheet.
Allow this sheet leave standstill at room temperature 7 days, get its 4-5mg and be placed in the sample disc of differential scanning calorimeter (model is DSC-2, is made by Perkin-Elmer Corp.).Speed with 10 ℃/min makes temperature rise to 200 ℃ from 20 ℃.The temperature on melting peak summit is designated as Tm in the process that temperature raises 1Fusing point is stable on heating scale.
(3) tensile modulus E
Except using the thick metal frame of 2mm, all the other all make the thick sheet of 2mm by the identical mode described in the fusing point of measuring with multipolymer, allow it leave standstill 7 days, as measure sample.Using the model made by the Instron many trier of use as ASTM IV, is that 64mm and rate of stressing are the sample of measurement gained under the condition of 50mm/min at spacing jig.
Tensile modulus E in the time of 23 ℃ has shown the hardness under working conditions, and it is the scale of pipe compressive strength.Tensile modulus E in the time of 95 ℃ has shown hardness at high temperature, and it is stable on heating scale.
(4) molecular weight distribution mw/mn
(i) polystyrene standard (the monodispersed polystyrene of use known molecular amount, make by TosohCorporation), measure and the corresponding GPC of polystyrene molecular weight M (gel permeation chromatography) reading, draw the working curve of molecular weight M and EV (elution volume).
(ii) adopt the gel permeation chromatography figure of gpc measurement sample, the working curve that uses above-mentioned (i) to make, the number-average molecular weight and the formula Mw=∑ Mi of calculating formula Mn=∑ MiNi/ ∑ Ni definition 2The weight-average molecular weight of Ni/ ∑ MiNi definition.So just determined Mw/Mn.
Molecular weight distribution is snappiness and extrudability scale.
(5) limiting viscosity [η]
In the time of 135 ℃, use the Atlantic viscometer to measure the specific viscosity of the naphthalane solution of each sample, from specific viscosity estimated performance viscosity [η].
Limiting viscosity is intensity and extrudability scale.
(6) 1/2 crystalline transformation times
Use x-ray diffractometer (by Rigaku Denki Co., Ltd. the model of Zhi Zaoing is RU-300, Cu target, 50kV, 300mA) measure the ratio of I-N-type waferN (100) face reflection peak intensity and II-N-type waferN (200) face reflection peak intensity, determine to reach the 1/2 o'clock required time of strength ratio saturation value.
1/2 crystalline transformation time was the scale of post molding cure time.
(7) B value
Measuring temperature: 120 ℃, solvent: orthodichlorobenzene, interior mark: contain deuterium benzene, pulse mode: the complete decoupling of proton, pulse width: 45 °, recurrent interval: under 5.5 seconds the condition, (model is LA-500 FT-NMR to adopt the NMR analyser, make by JEOL LTD.) on the NMR spectrum that obtains, measure 40.2ppm (ownership BB diad), 43.3ppm (ownership BP diad) and 46.4ppm (ownership PP diad) skeleton methylene peak area, determine the molar fraction of BB, BP and PP diad.From the diad molar fraction of gained, calculate the content of B (1-butylene) with formula B=BB+BP/2, calculate the content of P (propylene) with formula P=PP+BP/2, with formula B value=BP/ (calculating B value of 2 * B * P).At this, BB represents the 1-butylene chain, and BP represents the bonding of 1-butylene and propylene, and PP represents the propylene chain.
The B value is the scale of multipolymer randomness.The B value increases the shortening that means 1-butylene chain or propylene chain, just means that the homogeneity that 1-butylene and propylene distribute improves.
(8) isotaxy five unit number of componentss
Measuring temperature: 120 ℃, solvent: hexachlorobutadiene, interior mark: contain under the condition of deuterium benzene, use NMR analyser (model is LA-500 FT-NMR, is made by JEOL LTD.) to measure isotaxy five unit number of componentss.
Isotaxy five unit number of componentss have shown the taxis of (being total to) polymkeric substance.
(9) the hydrostatic intensity of tubing
In the time of 95 ℃, when hoop stress is 6MPa, press the hydrostatic intensity that ISO 167 measures tubing.The result also lists in the table 1.In each embodiment, hydrostatic intensity is all above 20 * 10 3Hour.Like this, tubing has gratifying practical intensity.
Embodiment 2
(preparation solid titanium catalyst component (c-2))
Heating 4.28kg (45mol) Magnesium Chloride Anhydrous, 26.6 liters of decane and 21.1 liters of (135mol) 2-Ethylhexyl Alcohols are 5 hours in the time of 140 ℃, and they are reacted, and obtain uniform solution.Subsequently, add 1kg (6.78mol) Tetra hydro Phthalic anhydride in the solution uniformly, in the time of 130 ℃, stirring 1 hour, obtaining uniform solution.
The homogeneous solution that obtains like this is cooled to room temperature, in 2 hours, it is added drop-wise in the titanium tetrachloride that 120 liters (1080mol) remain in-20 ℃.The solution that obtains was like this heated 4 hours, when its temperature reaches 110 ℃, add 3.02 liters of (11.3mol) diisobutyl phthalates therein.
And in the time of 110 ℃ with solution stirring 2 hours, react.Collect solid by heat filtering from reaction mixture, place it in 165 liters of titanium tetrachlorides, stir into slurry.The heating slurry is 2 hours in the time of 110 ℃, further reacts.
Collect solid from reaction mixture again by heat filtering, with 110 ℃ decane and hexane wash.When in washings, again detecting, stop washing less than titanium compound.So just obtained solid titanium catalyst component (c-2).
To the sampling of part hexane slurry and the drying of solid titanium catalyst component (c-2), analyze the exsiccant sample.By weight, the quantitative composition of solid titanium catalyst component (c-2) is 2.5% titanium, 58% chlorine, 18% magnesium and 13.8% diisobutyl phthalate.
(copolymerization of 1-butylene and propylene)
Except using dicyclopentyl dimethoxyl silane to replace cyclohexyl methyl dimethoxy silane to carry out the copolymerization as silicoorganic compound catalyst component (e) and 57.5 ℃ the time, all the other all carry out copolymerization by embodiment 1 described identical mode and prepare 1-butylene/propylene copolymer.The condition of copolymerization is listed in the table 1.
(making resin combination and tubing)
Press embodiment 1 described identical mode, the multipolymer that obtains is like this mixed with poly-1-butylene, nucleator and additive, obtain resin combination, resin combination is made tubing.
The results are shown in Table 1 for the character of gained multipolymer and resin combination and the hydrostatic test of tubing.
Comparative Examples 1
Except not using propylene as copolymer component, replace dicyclopentyl dimethoxyl silane with triisobutyl aluminium substitution triethyl aluminum as Organometal compound catalyst component (d) with cyclohexyl methyl dimethoxy silane, and carry out outside the polymerization under the listed condition of table 1, all the other all prepare the poly-1-butylene with the listed character of table 1 by the same procedure of embodiment 2 described preparation butylene/propylene copolymers.
Press embodiment 1 described identical mode, the polymkeric substance that obtains is like this mixed with poly-1-butylene, obtain resin combination, resin combination is made tubing.
The results are shown in Table 1 for the character of resulting polymers and resin combination and the hydrostatic test of tubing.
Comparative Examples 2
Except replacing dicyclopentyl dimethoxyl silane as Organometal compound catalyst component (d) with cyclohexyl methyl dimethoxy silane with triisobutyl aluminium substitution triethyl aluminum, and carry out outside the copolymerization under the listed condition of table 1, all the other all prepare the butylene/propylene copolymer with the listed character of table 1 by the same procedure of embodiment 2 described preparation butylene/propylene copolymers.
Press embodiment 1 described identical mode, the multipolymer that obtains is like this mixed with poly-1-butylene, obtain resin combination, resin combination is made tubing.
The results are shown in Table 1 for the character of gained multipolymer and resin combination and the hydrostatic test of tubing.
Table 1
Embodiment 1 Embodiment 2 Comparative Examples 1 Comparative Examples 2
The top order Unit Butylene copolymer (A)
The Ti catalyzer - c-1 c-2 c-2 c-2
The Al promotor - TEA TEA TIBA TIBA
Give body - *1 *2 *1 *1
Al/Ti Mol ratio 100 100 100 100
Al/ gives body Mol ratio 30 30 30 30
Pressure kg/cm 2 3 3 3 3
Polymerization temperature ℃ 60 57.5 60 60
The residence time h 0.8 0.8 1 1
The amount of the polymkeric substance that forms kg/h 4.8 4.8 4.8 4.8
Active kg/mol·Ti 10000 10000 3000 3000
C3 content mol％ 2.8 3.6 0 5.4
m.p. ℃ 126 120 122 118
Limiting viscosity dl/g 3 3.1 3.1 3
Mw/Mn - 3.5 3.5 3.8 3.8
Isotaxy five unit number of componentss ％ 93.3 93.5 90.8 89.6
23 ℃ of tensile moduluses MPa 400 410 300 275
95 ℃ of tensile moduluses MPa 116 123 90 86
370-6.67×C3 MPa 351 346 370 334
1/2 crystalline transformation time h 23 10 48 7
The B value - 0.95 0.98 - 0.91
The top order Unit Oil/fat composition
Nucleator HDPE*3 Weight part 0.2 0.2 0.2 0.2
Nucleator EBSA*4 Weight part 0 0 0 0
C3 content mol％ 2.2 2.9 0 4.3
m.p. ℃ 126 125 126 123
Limiting viscosity dl/g 2.5 2.5 2.5 2.5
Mw/Mn - 4.02 4.03 4.05 4.1
Isotaxy five unit number of componentss ％ 93.7 93.8 91.2 89.8
1/2 crystalline transformation time h 20 8 40 5
23 ℃ of tensile moduluses MPa 480 520 320 300
23 ℃ of tensile moduluses MPa 145 160 120 115
400-6.67×C3 MPa 385 381 400 371
95 ℃ * 6MPa of hydrostatic intensity h ＞24526 ＞24526 13985 11725
The B value - 0.93 0.96 - 0.89
Notes) prescription of resin combination: butylene copolymer/poly-1-butylene=4/1 (weight ratio),
* 1: cyclohexyl methyl dimethoxy silane
* 2: dicyclopentyl dimethoxyl silane,
* 3: high density polyethylene(HDPE) (MFR:13g/10min, density: 965kg/m 3) and
* 4: ethylene bis stearamide
Embodiment 4
(preparation solid titanium catalyst component (A '-1))
Heating 6.0kg (63mol) Magnesium Chloride Anhydrous, 26.6 liters of decane and 29.2 liters of (189mol) 2-Ethylhexyl Alcohols are 4 hours in the time of 140 ℃, and they are reacted, and obtain uniform magnesium compound solution (I).Subsequently, add 1.59kg (1.88mol) 2-sec.-propyl-2-isobutyl--1 in solution (I), the 3-Propanal dimethyl acetal stirred 1 hour in the time of 110 ℃.
Uniform magnesium/polyether the solution (II) that obtains like this is cooled to room temperature, in 2.5 hours, the above-mentioned drips of solution that is chilled to room temperature of 37.0kg is added to 120 liters (1080mol) and remains in-24 ℃ the titanium tetrachloride.Magnesium/the titanium solution (III) that obtains was like this heated 6 hours, when its temperature reaches 110 ℃, add 0.68kg (3.37mol) 2-sec.-propyl-2-isobutyl--1 therein, the 3-Propanal dimethyl acetal.And in the time of 110 ℃, the solution (IV) of gained was stirred 2 hours, react.Collect solid by heat filtering from reaction mixture, place it in 132 liters of titanium tetrachlorides, stir into slurry.The heating slurry is 2 hours in the time of 110 ℃, further reacts.
Collect solid from reaction mixture again by heat filtering, with 110 ℃ decane and hexane wash.When in washings, again detecting, stop washing less than titanium compound.So just obtained solid titanium catalyst (A '-1).
To the sampling of part hexane slurry and the drying of solid titanium catalyst (A '-1), analyze the exsiccant sample.By weight, the quantitative composition of solid titanium catalyst (A '-1) is 3.0% titanium, 17% magnesium, 57% chlorine and 2-sec.-propyl-2-isobutyl--1 of 18.0%, the 3-Propanal dimethyl acetal.Do not detect diisobutyl phthalate.
(polymerization)
Internal capacity be feed in 200 liters the continuous polymerization reactor 73 liters/hour hexane, 16 kilograms/hour 1-butylene, 0.07 kilogram/hour propylene, 10 standard liters/hour hydrogen, 0.38 mmole (in titanium atom)/hour solid titanium catalyst (A '-1), 38 mmoles/hour triethyl aluminum (B ') and 1.3 mmoles/hour cyclohexyl methyl dimethoxy silane (CMMS) (C '), carry out the copolymerization of 1-butylene and propylene.Like this, obtain multipolymer with 4.8 kilograms/hour speed.In this copolymerization, temperature is 60 ℃, and mean residence time is 0.8 hour, and stagnation pressure is 3 * 10 -1MPag.The character of gained multipolymer (propylene content, fusing point, limiting viscosity [η] and molecular weight distribution) is listed in the table 2.
(1) measures the content of propylene in butylene/propylene copolymer by following mode
The multipolymer of 30-50mg gained is dissolved in 0.5cm 3Hexachlorobutadiene in, measuring temperature is that 115-120 ℃, useful range are that 180ppm, cumulative frequency are 500-10,000, the recurrent interval is that 4.5-5 second and pulse width are to measure with SUPERCONDUCTING NMR (model is GSH-270, is made by JEOL LTD.) under 45 ° the condition.
(2) measure fusing point Tm by following mode 1
Use the thick metal frame of 0.1mm multipolymer to be clipped in the middle with the thick polyester chips of 50 μ m, aluminium sheet and the thick iron plate of 1mm that 100 μ m are thick, heating is 5 minutes in the time of 190 ℃, under 5MPa, outgas, remained on 5MPa following 5 minutes, under 5MPa, cooled off 5 minutes again with the cooling press of water cooling at 20 ℃.So just obtained sheet.Allow this sheet leave standstill at room temperature 7 days, get its 4-5mg and be placed in the sample disc of differential scanning calorimeter (model is DSC-2, is made by Perkin-Elmer Corp.).Speed with 10 ℃/min makes temperature rise to 200 ℃ from 20 ℃.The temperature on melting peak summit is designated as Tm in the process that temperature raises 1Fusing point is stable on heating scale.
(3) by following mode intrinsic viscosity [η]
In the time of 135 ℃, use the Atlantic viscometer to measure the specific viscosity of the naphthalane solution of each sample, from specific viscosity estimated performance viscosity [η].
Limiting viscosity is intensity and extrudability scale.
(4) measure the amount of formed 2-butylene by following mode
Adopt vapor-phase chromatography to measure the amount of 2-butylene contained in the gas phase in the polymerization reactor, determine the amount of the 2-butylene that forms in the polymerization process.
Comparative Examples 3
(preparation solid titanium catalyst component (A '-2))
Heating 4.28kg (45mol) Magnesium Chloride Anhydrous, 22.5 liters of decane and 21.1 liters of (135mol) 2-Ethylhexyl Alcohols are 5 hours in the time of 140 ℃, and they are reacted, and obtain uniform magnesium compound solution (I).Subsequently, in solution (I), add 1kg (6.78mol) Tetra hydro Phthalic anhydride, in the time of 130 ℃, stirred 1 hour, make the Tetra hydro Phthalic anhydride dissolving.
Uniform magnesium/phthalic acid the anhydride solution that obtains like this is cooled to room temperature, in 2 hours, 75 liters of uniform drips of solution is added to 120 liters (1080mol) and remains in-20 ℃ the titanium tetrachloride.Magnesium/the titanium solution that obtains was like this heated 4 hours, when its temperature reaches 110 ℃, add 3.02 liters of (11.3mol) diisobutyl phthalates therein.And in the time of 110 ℃ with solution stirring 2 hours, react.Collect solid by heat filtering from reaction mixture, place it in 165 liters of titanium tetrachlorides, stir into slurry.The heating slurry is 2 hours in the time of 110 ℃, further reacts.
Collect solid from reaction mixture again by heat filtering, with 110 ℃ decane and hexane wash.When in washings, again detecting, stop washing less than titanium compound.So just obtained solid titanium catalyst (A '-2).
To the sampling of part hexane slurry and the drying of solid titanium catalyst (A '-2), analyze the exsiccant sample.By weight, the quantitative composition of solid titanium catalyst (A '-2) is 2.4% titanium, 20% magnesium, 60% chlorine and 13.0% diisobutyl phthalate.Therefore, the content of carboxylic acid derivative is 13.0%.
Adopt vapor-phase chromatography to measure the content of phthalic acid derivatives.Specifically, about 0.5g samples weighing is measured in the flask to 50ml.In this flask, add acetone, sample dissolution.Add internal standard substance matter, stir.Be added dropwise to 13% ammoniacal liquor, decompose.Allow liquid leave standstill, separate, take out top section as sample.Use the fused silica capillary column sample to be divided into each component part, determine its amount with marker method as separator column.
(polymerization)
Except using solid titanium catalyst (A '-2), all the other all carry out copolymerization by embodiment 4 described identical modes, preparation butylene/propylene copolymer.The results are shown in Table 2.
Table 2
Unit Embodiment 4 Comparative Examples 3
Solid titanium catalyst and activity Title A′-1 A′-2
(a′)：Mg wt％ 17 20
(b′)：Ti wt％ 3.0 2.4
(c '): halogen wt％ 57 60
(d '): polyether wt％ 18.0 0
(e '): hydrocarbon wt％ 2.2 2.0
(f '-1): ethylhexanol wt％ 2.8 2.6
(f '-2): carboxylic acid derivative (diisobutyl phthalate) wt％ 0 13.0
: polymerization activity g/mmol-Ti 10000 3000
: the amount of the 2-butylene of formation ppm 24 43
The character of polymkeric substance (1) propylene content mol％ 2.8 2.8
(2)m.p. ℃ 126 120
(3) limiting viscosity dl/g 3 3
(4)Mw/Mn 3.5 3.8
Can make from butylene copolymer of the present invention or the resin combination that comprises butylene copolymer have good thermotolerance, low-temperature performance and disposal easiness and mo(u)lded item with very high thermal creep character.Therefore, mo(u)lded item of the present invention, especially tubing not only have good thermotolerance, low-temperature performance and disposal easiness, and have thermal creep character.
And, use the legal polymerization activity that can be high of solid titanium catalyst of the present invention and alpha-olefines polymerization to make epigranular easily, fine powder is less, tap density is high and is substantially free of the polymkeric substance or the multipolymer (comprising above-mentioned butylene copolymer) of the alpha-olefin that contains 4 or more a plurality of carbon atoms of carboxylic acid.
Commercial Application
Can make from butylene copolymer of the present invention or the resin combination that comprises butylene copolymer have good heat resistance, cryogenic property and disposal easiness and molded item with very high thermal creep character. Therefore, molded item of the present invention, especially tubing not only have good heat resistance, cryogenic property and disposal easiness, and have thermal creep character, so can guarantee high industrial applicability.
And, use the legal polymerization activity that can be high of solid titanium catalyst of the present invention and alpha-olefines polymerization to make easily epigranular, fine powder is less, bulk density is high and is substantially free of polymer or the copolymer (comprising above-mentioned butylene copolymer) of the alpha-olefin that contains 4 or more carbon atoms of carboxylic acid, so can guarantee high industrial applicability.

Claims (20)

1. a butylene copolymer (A), it comprises the copolymer unit (b) of the alpha-olefin that copolymer unit (a) that 99.9-80mol% derives from 1-butylene and 0.1-20mol% get a self-contained 2-10 carbon atom, condition is that described alpha-olefin does not comprise 1-butylene, and described butylene copolymer (A) has following character:
(1a) the tensile modulus E that in the time of 23 ℃, measures be 345MPa or bigger and/or
(1b) the tensile modulus E that in the time of 95 ℃, measures be 133MPa or bigger and
(2) ratio of weight-average molecular weight Mw and number-average molecular weight Mn, Mw/Mn is 2-30,
(3) limiting viscosity of measuring in the naphthalane solvent in the time of 135 ℃ [η] is 1-6dl/g,
(4) the fusing point Tm that measures with differential scanning calorimeter is 150 ℃ or lower,
(5) by 13The B value that C-NMR measures is 0.92-1.1, and described B value is calculated with following formula:
B value=P OB/ (2P OP B)
P wherein OBRepresent the number of 1-butene-alpha-olefin chain and the ratio of the sum of chain, P BRepresent the molar fraction of butene component, and P ORepresent the alpha-olefin component molar fraction and
(6) by 13The isotaxy five unit number of componentss that C-NMR measures are 91% or bigger,
Described butylene copolymer (A) uses a kind of catalyst system that comprises following each component to make:
Solid titanium catalyst component (c), it comprises the compound that contains two ehter bonds at least that titanium, magnesium, halogen and following formula are represented:
Each R wherein 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group can form the ring except phenyl ring, and the atom except carbon can be included in the main chain of the compound that contains two ehter bonds at least, and n satisfies the integer that concerns 2≤n≤10; With
The Organometal compound catalyst component (d) that contains periodictable I to III family metal.
2. butylene copolymer as claimed in claim 1 (A), wherein the tensile modulus E that measures in the time of 23 ℃ satisfies following relation:
E (MPa)＞370-6.67 * (condition is the content that does not comprise the alpha-olefin that contains 2-10 carbon atom of 1-butylene)
Wherein condition is that the content that do not comprise the alpha-olefin that contains 2-10 carbon atom of 1-butylene is to be the molecular fraction of benchmark in butylene copolymer (A).
3. butylene copolymer as claimed in claim 1 or 2 (A), the 1/2 crystalline transformation time of measuring it by the X-ray diffraction method is 40 hours or still less.
4. butylene copolymer as claimed in claim 1 or 2 (A), the ratio of weight-average molecular weight Mw and number-average molecular weight Mn wherein, Mw/Mn is 2-7.9.
5. butylene copolymer as claimed in claim 1 or 2 (A), wherein deriving from condition is not comprise that the copolymer unit (b) of the alpha-olefin that contains 2-10 carbon atom of 1-butylene is a propylene units.
6. butylene copolymer as claimed in claim 1 or 2 (A), it only demonstrates an endotherm(ic)peak, i.e. fusing point Tm in the process of measuring with differential scanning calorimeter.
7. butylene copolymer resin combination that comprises butylene copolymer (A), described butylene copolymer (A) comprises the copolymer unit (b) of the alpha-olefin that copolymer unit (a) that 99.9-80mol% derives from 1-butylene and 0.1-20mol% get a self-contained 2-10 carbon atom, condition is that described alpha-olefin does not comprise 1-butylene, and described butylene copolymer resin combination has following character:
(1a) the tensile modulus E that in the time of 23 ℃, measures be 360MPa or bigger and/or
(1b) the tensile modulus E that in the time of 95 ℃, measures be 138MPa or bigger and
(2) ratio of weight-average molecular weight Mw and number-average molecular weight Mn, Mw/Mn is 2-30,
(3) limiting viscosity of measuring in the naphthalane solvent in the time of 135 ℃ [η] is 1-6dl/g,
(4) the fusing point Tm that measures with differential scanning calorimeter is 110-150 ℃,
(5) by 13The B value that C-NMR measures is 0.90-1.08, and described B value is calculated with following formula:
B value=P OB/ (2P OP B)
P wherein OBRepresent the number of 1-butene-alpha-olefin chain and the ratio of the sum of chain, P BRepresent the molar fraction of butene component, and P ORepresent the alpha-olefin component molar fraction and
(6) by 13The isotaxy five unit number of componentss that C-NMR measures are 91.5% or bigger,
Described butylene copolymer (A) uses a kind of catalyst system that comprises following each component to make:
Solid titanium catalyst component (c), it comprises the compound that contains two ehter bonds at least that titanium, magnesium, halogen and following formula are represented:
Figure C018026890004C1
Each R wherein 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group can form the ring except phenyl ring, and the atom except carbon can be included in the main chain of the compound that contains two ehter bonds at least, and n satisfies the integer that concerns 2≤n≤10; With
The Organometal compound catalyst component (d) that contains periodictable I to III family metal.
8. butylene copolymer resin combination as claimed in claim 7, wherein the tensile modulus E that measures in the time of 23 ℃ satisfies following relation:
E (MPa)＞400-6.67 * (condition is the content that does not comprise the alpha-olefin that contains 2-10 carbon atom of 1-butylene)
Wherein condition is that the content that do not comprise the alpha-olefin that contains 2-10 carbon atom of 1-butylene is that total amount in the butylene copolymer resin combination is the molecular fraction of benchmark.
9. as claim 7 or 8 described butylene copolymer resin combinations, the 1/2 crystalline transformation time of measuring it by the X-ray diffraction method is 40 hours or still less.
10. as claim 7 or 8 described butylene copolymer resin combinations, it also comprises nucleator.
11. butylene copolymer resin combination as claimed in claim 10, wherein nucleator is an amide compound.
12. as claim 7 or 8 described butylene copolymer resin combinations, the ratio of weight-average molecular weight Mw and number-average molecular weight Mn wherein, Mw/Mn is 2-7.9.
13. as claim 7 or 8 described butylene copolymers (A), the condition that derives from that wherein constitutes butylene copolymer (A) is not comprise that the copolymer unit (b) of the alpha-olefin that contains 2-10 carbon atom of 1-butylene is a propylene units.
14. as claim 7 or 8 described butylene copolymer resin combinations, it also comprises poly-1-butylene (B).
15. as claim 7 or 8 described butylene copolymer resin combinations, it comprises the butylene copolymer (A) of 40-90 weight % and the poly-1-butylene (B) of 60-10 weight %.
16. as claim 14 or 15 described butylene copolymer resin combinations, it comprises poly-1-butylene (B), described poly-1-butylene (B) is to use a kind of catalyst system that comprises following each component to make:
Solid titanium catalyst component (c), it comprises the compound that contains two ehter bonds at least that titanium, magnesium, halogen and following formula are represented:
Figure C018026890005C1
Each R wherein 1-R 26Representative contains the substituting group that is selected from least a element in carbon, hydrogen, oxygen, halogen, nitrogen, sulphur, phosphorus, boron and the silicon, and condition is any R 1-R 26Substituting group can form the ring except phenyl ring, and the atom except carbon can be included in the main chain of the compound that contains two ehter bonds at least, and n satisfies the integer that concerns 2≤n≤10; With
The Organometal compound catalyst component (d) that contains periodictable I to III family metal.
17. a mo(u)lded item, it comprises butylene copolymer as claimed in claim 1 or 2 (A) or as claim 7 or 8 described butylene copolymer resin combinations.
18. mo(u)lded item as claimed in claim 17, it is the shape of pipe.
19. mo(u)lded item as claimed in claim 18, it is in the hydrostatic test of pipe, and the rupture time of measuring during for 6MPa at hoop stress in the time of 95 ℃ is 20 * 10 3Hour or longer.
20. mo(u)lded item as claimed in claim 17, it is the shape of tube stub.
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